Journal articles on the topic 'Activity -based ergonomics'
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1
Malone, Gwendolyn, and Ryan Porto. "General Motors Global Ergonomic Manufacturing Engineering Process Appling consistent strategies and methodologies for success." Proceedings of the Human Factors and Ergonomics Society Annual Meeting 60, no. 1 (September 2016): 899–901. http://dx.doi.org/10.1177/1541931213601205.
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General Motors (GM) ergonomics activity began over 30 years ago as a decentralized, ad-hoc effort in various plants and divisions. In the mid-80’s GM and The United Automobile Workers (UAW) Union participated in an ergonomics pilot project with the University of Michigan (resulting in several published articles). In 1990 UAW-GM- Occupational Safety & Health Administration (OSHA) entered into an agreement on Ergonomics. These were the catalyst for Ergonomics Program in General Motors. By the mid-2000’s GM recognized how critical it was to shift more attention to “designing in” ergonomic principles and guidelines early in the vehicle and powertrain development process. Today, our Global Manufacturing Engineering Ergonomics team (Program Ergonomists) consist of individuals around the globe that execute our ergonomics process across several functional groups, as a single voice to ensure: Vehicle and Powertrain Product Engineering (PE) teams implement ergonomic principles in the products we make, and Manufacturing Engineering (ME) teams implement ergonomic principles when launching new programs in the manufacturing plants. Our primary focus is to design out systemic product and manufacturing issues and prevent future ergonomics issues before the product goes into production. GM’s ergonomics process is based on proactive assessments using internal and external ergonomic tools, research, and guidelines.
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Hakim, Bhanu Rizfa. "EVALUASI ANTROPOMETRI PADA RUANG BREWING KOPI KLINIK KOPI JALAN KALIURANG YOGYAKARTA." Jurnal Kreatif : Desain Produk Industri dan Arsitektur 4, no. 1 (October 8, 2020): 18. http://dx.doi.org/10.46964/jkdpia.v4i1.79.
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ABSTRAKRuang Brewing Kopi di Klinik kopi merupakan ruang yang sangat penting oleh para penyaji kopi dan pengunjung karena di ruang inilah segala kegiatan tentang kopi dilakukan seperti, memilih kopi, brewing kopi, menikmati kopi, berbagi pengetahuan tentang kopi dan melakukan pembayaran. Ruang Brewing kopi ini selalu dipenuhi pengunjung dengan bermacam dimensi ukuran tubuh dan barang bawaan. Berdasarkan pengamatan awal ditemukan permasalahan sirkulasi dan gerak terutama pada saat ramai pengunjung, banyaknya pengunjung mengakibatkan rasa tidak nyaman bagi pengunjung lain dan penyaji kopi. Tujuan penelitian ini adalah mengkaji permasalahan ergonomi pada tata ruang sirkulasi dan gerak ruang brewing di Klinik kopi Yogyakarta melalui studi gerak sesuaiergonomi. Hasil kajian ini memberi kontribusi terhadap kenyamanan gerak bagi pengunjung dan penyaji kopi. Tolak ukur dalam penelitian ada 2 aspek yaitu anthropometri dan ergonomic space. Metode yang digunakan dalam penelitian ini adalah dengan metode pemetaan aktivitas ( activity mapping ). Dari hasil analisis ditemukan bahwa yang sekarang tidak memenuhi standar kebutuhan dimensi gerak manusia (anthropometri), maka untuk meningkatkan kualitas ruang brewing kopi yang ergonomis dibutuhkan penataan dan desain perabot yang lebih baik.
ABSTRACTBrewing Coffee in the Klinik Kopi is a very important space by the publishers of coffee and visitors because it is this space in all activities of the coffee is performed such as, pick coffee, roasting coffee, enjoy the coffee, sharing knowledge about coffee and make a payment. Coffee Brewing Chamber is always filled with visitors with various dimensions of body size and stuff. Based on early observations found problems of circulation and motion especially when many visitors, the number of visitors resulted in discomfort for other visitors and publishers. The purpose of this research is to examine the problem of ergonomics on spatial motion and circulation spaces brewing coffee in the clinic as Yogyakarta via the appropriate motion study ergonomics. The results of this study contribute towards motion comfort for visitors and publishers. A benchmark in the study there are two aspects, namely anthropometri and ergonomic space. The methods used in this research is to method mapping activity (activity mapping). From the results of the analysis it was found that the standard did not meet the needs of the present dimensions of human motion(anthropometry), thus improving the quality of coffee brewing an ergonomic space required Setup and better design.
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Fang, Wei, Mingyu Fu, and Lianyu Zheng. "Continuous ergonomic risk perception for manual assembly operations using wearable multi-sensor posture estimation." Assembly Automation 42, no. 2 (December 21, 2021): 209–17. http://dx.doi.org/10.1108/aa-03-2021-0027.
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Purpose This paper aims to perform the real-time and accurate ergonomics analysis for the operator in the manual assembly, with the purpose of identifying potential ergonomic injuries when encountering labor-excessive and unreasonable assembly operations. Design/methodology/approach Instead of acquiring body data for ergonomic evaluation by arranging many observers around, this paper proposes a multi-sensor based wearable system to track worker’s posture for a continuous ergonomic assessment. Moreover, given the accurate neck postural data from the shop floor by the proposed wearable system, a continuous rapid upper limb assessment method with robustness to occasional posture changes, is proposed to evaluate the neck and upper back risk during the manual assembly operations. Findings The proposed method can retrieve human activity data during manual assembly operations, and experimental results illustrate that the proposed work is flexible and accurate for continuous ergonomic assessments in manual assembly operations. Originality/value Based on the proposed multi-sensor based wearable system for posture acquisition, a real-time and high-precision ergonomics analysis is achieved with the postural data arrived continuously, it can provide a more objective indicator to assess the ergonomics during manual assembly.
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Indriyani, Indriyani, Rury Tiara Oktariza, Noviyanti Noviyanti, Mochammad Nanda Ardani Alfath, and Adinda Fatimah Azahra. "Ergonomic Education to Reduce the Risk of Musculoskeletal Disorders." Sasambo: Jurnal Abdimas (Journal of Community Service) 6, no. 1 (February 1, 2024): 53–59. http://dx.doi.org/10.36312/sasambo.v6i1.1755.
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Workers are mainly human resources with a significant influence on the production process, in particular manual work. Activities in manual material handling include carrying, lifting, lowering, pushing, and pulling loads. Transport labor is one type of work that requires energy and great muscle strength and a strong physique to carry the load at work. Workers who are in the wrong position during prolonged work will increase the risk of musculoskeletal complaints. The purpose of this community service activity is to provide ergonomic education to reduce the risk of Musculoskeletal Disorders. Methods: This service activity uses counseling methods, leaflet giving, demonstrations, simulations, and discussions. The participants were given questionnaires before and after educational activities, namely ergonomics knowledge questionnaires to determine the level of ergonomics knowledge and also musculoskeletal complaint questionnaires. Results: This activity was attended by 21 participants who were all male. In the knowledge variable, the mean pre-test value was 56.67 and the post-test was 68.57. In the Musculoskeletal complaint variable, the mean pre-test value was 30.05 and the post-test was 28.76. Conclusion: Based on the results of the pre-test and post-test, shows that ergonomics education can help improve ergonomic knowledge and reduce the risk of musculoskeletal disorders in workers.
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Darabont, Vlad Andrei, and Doru Costin Darabont. "Considerations on Ergonomic Issues in Physiotherapy Activity." MATEC Web of Conferences 343 (2021): 10004. http://dx.doi.org/10.1051/matecconf/202134310004.
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Nowadays, the ergonomic issues become more and more important in all economic activity domains. Work-related Musculoskeletal Disorders (MSDs) represent the main problem generated by the poor ergonomic design of the workplaces. The healthcare domain involves high level ergonomic risks related to physical and mental load of the work which could lead to MSDs. The paper presents an analysis of these ergonomic risks for physiotherapy activity and identifies potential measures to improve the health and safety in this domain. The physical load of the physiotherapist’s work is generated by the risk factors such as awkward postures, repetitive movement or working with patients with motor disabilities. The mental load of the physiotherapist’s work depends on risk factors such as working with patients with cognitive impairment and daily or weekly patient flows. The proposed preventive measures are organisational and technical. The organisational measures are based on the requirements of the occupational health and safety (OHS) legislation and on the good practice examples. The technical measures are based on the analysing the documentation of physiotherapy modern equipment. The results of the study can be used to improve the ergonomics and the health and safety of any workplace in physiotherapy activity.
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Nunes, Antônio José Ribeiro. "ERGONOMICS AND OCCUPATIONAL PHYSIOLOGY: A MULTIPROFESSIONAL APPROACH TO WORK." Revista Ibero-Americana de Humanidades, Ciências e Educação 8, no. 6 (June 30, 2022): 1284–93. http://dx.doi.org/10.51891/rease.v8i6.6058.
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In ergonomics, approaches, perspectives and purposes in relation to work are presented from a multiprofessional nature, insofar as it covers disciplines that bring contributions to ergonomics in its application in the reality of work, with improvement of operating conditions, relocation, reform and application of ergonomic projects. The research problem presents the following question: What are the multidisciplinary approaches used in the context of ergonomics in companies to reduce physiological and biomechanical damage in the work environment? The objective of this article is to identify in ergonomics and occupational physiology the approaches, perspectives and purposes in relation to the work of a multiprofessional nature. It was intended to demonstrate the concept of ergonomics in work relationships; indicate the interdisciplinary and multiprofessional nature of ergonomics; to point out the biomechanical and physiological aspects in the context of organizational ergonomics. The assumptions of the study indicate that the application of ergonomics and its approaches is necessary in organizations in the creation of projects in technologicalenvironments where repetitive activities generate occupational diseases, requiring prevention mechanisms through the creation of ergonomic projects aimed at the nature of work in situations that require corrective action. From the use of methods and steps, ergonomics allows a new perception of the functioning of a company, from the understanding of the work carried out to conceive the work situations in which workers have control over physical, mental and psychic balance and for an improvement of the system. In order to respond to the objectives of the study and the problem pointed out, it was decided to carry out a bibliographic research based on the theoretical foundations of the authors. The results showed that ergonomics deals with the transformation of the work environment for the biomechanical and physiological adaptation to the type of work activity. Therefore, it must be part of the company's culture, favoring transformations from the insertion of ergonomic projects to the optimization of human work, quality and productivity in a safe and healthy environment. Regarding the biomechanical and physiological aspects of organizational ergonomics, there is a need to evaluate the postural dynamics of the human body and its direct relationship with the workload and efficient adaptation to avoid diseases.
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Moslander, Delaney, and Karen Jacobs. "Efficacy of an ergonomics intervention for remote college students." Work 71, no. 2 (February 18, 2022): 423–31. http://dx.doi.org/10.3233/wor-210689.
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BACKGROUND: The COVID-19 pandemic caused a rapid adaptation of online education, requiring university students to complete their schoolwork remotely. There is a gap in the evidence-based literature regarding these novel home workstations and the potential to help students understand ergonomics and adjust their workstations. OBJECTIVES: We aimed to determine if a remote ergonomics intervention would encourage students to make improvements to their workstation and increase their knowledge of ergonomics. METHODS: Participants completed an ergonomics quiz, workstation evaluation, activity time log, and photographs of their workstation. There were three randomly assigned groups, the control group of 26 participants and the first and second intervention groups with 25 participants each. The first and second intervention groups received information sheets regarding proper workstations. The second intervention group was also required to participate in an ergonomics workshop. Six weeks after receiving the interventions, the control group and two intervention groups completed the materials once again. Eight participants from the control group, 12 from the information intervention group, and 14 from the participatory intervention group completed the study. RESULTS: One-way ANOVA tests between the three groups suggest there was no significant difference in ergonomic knowledge or changes made to workstations. However, the remote participatory ergonomics group increased their level of knowledge about ergonomics. CONCLUSIONS: An ergonomics intervention did not impact one group to change their workstation more than others in six weeks. Future studies on this topic should be conducted over a longer amount of time and with more participants to allow for more opportunities for behavior and workstation changes.
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Castaño Cardenas, Diana. "Health and Safety at Work: Importance of the Ergonomic Workplace." SCT Proceedings in Interdisciplinary Insights and Innovations 1 (December 10, 2023): 83. http://dx.doi.org/10.56294/piii202383.
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The ergonomic workplace is a fundamental and essential part when carrying out any activity in the assigned workplace, therefore it is important to adapt these spaces and have the appropriate utensils and machinery, to avoid injuries to collaborators, this helps to the emotional and psychosocial part of the individual, reducing bodily injuries, stress or occupational diseases. Over the years, various theories have supported the importance of jobs indirectly; Ergonomics theory by Woitej Yastembowsky, Human Factors and ergonomics by Henry Fayol, among others, seek to improve working conditions, caring about people. This article presents a review of the existing literature on the importance of the ergonomic workplace and its relationship with the work environment. The methodology used was based on previous compilations and research on the subject, identifying that many organizations do not give it the required importance, to the point of not taking into account psychosocial well-being, work environment, stress reduction and increased productivity. The results highlight that although there are decrees and research thatdemonstrate the importance of being implemented, it is limited.
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Safin, Stéphane, Pinky Pintus, and Catherine Elsen. "Ergonomics in design and design in ergonomics: Issues and experience in education." Work 66, no. 4 (September 17, 2020): 917–31. http://dx.doi.org/10.3233/wor-203237.
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BACKGROUND: Articulating design and ergonomics skills through education is a major challenge for both fields. Indeed, professional ergonomists are increasingly deeply involved in design processes, and ergonomics education should train them in design skills. As courses in ergonomics education are often time-constrained, it is difficult to mobilize students in real-scale projects and to involve them in design processes. Conversely, activity analysis and active involvement of users in design projects (through co-creation or co-design processes) are rarely convened in architecture and design curricula. OBJECTIVE: It is therefore necessary to develop effective and relevant pedagogical settings, enabling students of both fields to develop their abilities and equip them to act in concrete design situations. METHODS: In this paper, we describe a large-scale pedagogical setting involving groups of students from different disciplines gathered around a real-scale design project (re-shaping the waiting room of a mental health center). The ergonomics students’ main task is to analyze the needs and real activities of end-users; the interior design students’ task is to produce the design project. This communication more precisely focuses on describing the ergonomics students’ fieldwork and the practical and pedagogical innovations put in place to help them face the various challenges encountered during the project. RESULTS: Based on formal feedback from students, teachers and stakeholders, we address three main challenges: (1) dealing with the temporal constraints of the intervention, (2) documenting and observing a sensitive situation and (3) involving end-users to place them at the core of the design process. For each challenge, we describe the issue at stake, the work conducted to deal with this issue, and eventually the feedback collected from students, teachers and stakeholders. CONCLUSION: The paper concludes with an analysis of success and failure factors for such pedagogical settings, in particular for physical enquiry devices, co-creation processes, and co-constructed pedagogical settings. It shows the impact of these settings for students, but highlight that collaboration between ergonomists and designers is a key issue for learning in a positive experience.
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Protasenko, O., and G. Mygal. "ЕКО-ЕРГОНОМІЧНЕ ПРОЕКТУВАННЯ РОБОЧОГО СЕРЕДОВИЩА." Open Information and Computer Integrated Technologies, no. 89 (March 23, 2021): 104–22. http://dx.doi.org/10.32620/oikit.2020.89.09.
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The necessity of applying new directions of ergonomics to improve safety at work is considered. The relevance is conditioned by the awareness of the problem of limited natural resources and the negative impact of human activity on the environment. It led to the necessity of rethinking the concept "security" from the standpoint of sustainable development of society. Today, safety is the procuring of harmonious relations between human and the environment in all spheres of activity. In terms of occupational safety, new areas of ergonomics such as ergoecology, green ergonomics and eco-ergonomic designing can be useful in creating such balance. The work focuses on using eco-ergonomic designing principles in matters of ensuring industrial safety. Thus, the aim is the practical application of the eco-ergonomic designing principles to improve safety at working place. At researching the basic eco-ergonomic designing principle was applied - the search of an optimal combination of working conditions and technical procuring at the workplace, which would suit modern psychophysiological, social, engineering and ecological requirements. The prime tool of researching is a practical analysis of workplaces, an essential component of which is the assessment system. Based on the study results, problematic issues at workplaces got identified, and a search for their solutions got carried out. It is shown that using eco-ergonomic designing in matters of ensuring safety at the workplace makes it possible to implement the trinity necessary to maintain and preserve human health - eco-friendliness, comfort and safety. The work results: 1) for effective management of industrial safety it is necessary to make a transition from closed systems “man-machine-working environment” to open systems “man-machine-working environment-environment” through the application of the eco-ergonomic designing principles; 2) the method of eco-ergonomic assessment got proposed as the first step to a qualitative improvement in the interaction between humans and the environment; 3) modern engineers in eco-ergonomic designing should be trained in this area, taking into account the principles of human factor engineering. The practical significance of the results is in identifying problems in the functioning of the system "man-machine-working environment-environment" and determining effective measures to eliminate them. The results of its approbation proposed assessment system at the flexo printed product's enterprise confirm the effectiveness.
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Rajkumar, Joshua, Neha Biyala, Monisha Shekar, Divya Rajendran, Keshika Ghimire, Shagufta Kausar, and Sushma BK. "O-204 CLOSING THE GAPS: DID THE ONLINE PHYSIOTHERAPEUTIC AND ERGONOMIC INTERVENTIONS HAVE AN IMPACT ON THE INFORMATION TECHNOLOGY EMPLOYEES IN A DEVELOPING COUNTRY?" Occupational Medicine 74, Supplement_1 (July 1, 2024): 0. http://dx.doi.org/10.1093/occmed/kqae023.0997.
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Abstract Introduction Onsite clinics play a crucial role in the provision of Occupational health services through Physiotherapists trained in Ergonomics for managing Work-related Musculoskeletal Disorders (WRMSDs), which acts as a substantial source of the economic drain in the Information Technology (IT) sector. However, during and post the COVID-19 pandemic the onsite Physiotherapy cum Ergonomic services moved online for most of the IT companies. Methods A retrospective analysis was done on the data gathered from 2020 to 2022 in IT companies, where online services of physiotherapists trained in ergonomics were done to address the WRMSDs for the employees. The data collected were demographic details, Nordic Musculoskeletal Pain Questionnaire (NMQ), and Visual Analog Scale (VAS) for measuring pain. The employees who had pain/discomfort consulted the Physiotherapist online and based on the severity, activity modifications, graded exercises and self-soft tissue releases, rest, icing/hot packs, supportive braces, and postural/ergonomic modifications were recommended. Followup consultation was done weekly and 1&3 months later. Results Among the 775 employees analyzed, the majority were males (72%) with a median age of 38.5 years reporting a median VAS 6. Most reported were low back pain (64%). 85% of the employees had significant pain reduction (P<0.05). Activity modifications (85%) and Graded exercises (90%) were the predominant interventions given online. Only 8% of the employees had a recurrence in the 3rd month follow-up. Discussion and Conclusion Online interventions by Physiotherapists trained in ergonomics had a significant impact on the outcomes of pain among IT employees, which can pave the way for closing the gaps in managing WRMSDs.
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Suarjana, I. Wayan Gede, Moh Fikri Pomalingo, Bastian Rikardo Parhusip, and Muh Muhdi Attaufiq. "Penerapan Aspek-Aspek Ergonomi Pada Workshop Pengelasan Di LPKA Kelas II Tomohon." Malahayati Nursing Journal 5, no. 2 (February 1, 2022): 308–22. http://dx.doi.org/10.33024/mnj.v5i2.5893.
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ABSTRACT: IDENTIFICATION OF ERGONOMIC ASPECTS AT WELDING WORKSHOP AT LPKA KELAS II TOMOHON Introduction: LPKA Kelas II Tomohon Is a Special Children's Development Institution that has the duties and functions of to build, guide and protect every student who has problems with the law. One of the coaching programs implemented is welding process training to improve the creativity of community students. Purpose: This research aims to identify the application of eight aspects of ergonomics to welding workshop participants in LPKA Kelas II Tomohon.Method: The design of this study is an observational analytical approach that is observation without intervention to uncover the facts of a cause and effect described descriptively. This research was conducted by observing the workings and work environments including, human interaction of machines, and the physical environment. This research is focused on the training process of welding practice. Respondents from this study amounted to 14 respondents who took welding training. The study was conducted from May 2021 to June 2021.Result: Based on observations and measurements that are known that in working conditions in welding workshops are still not ergonomic, it can be seen from the absence of physiological work attitude arrangements when doing activities, irregular rest arrangements, lack of muscle stretching activity at rest, and the use of welding glasses and masks that have not been applied when doing the welding process. Conclusion: Based on the identification of the application of 8 aspects of ergonomics that are still a priority of attention that are at risk of health problems in worksop participants, namely from aspects of work attitudes that are still not in accordance with physiological / ergonomic attitudes, the social condition of the participant's work culture is still lacking in the culture of the use of personal protective equipment to ensure work safety, and human-machine interaction is still not appropriate, namely from the correct use of tools in accordance with their function, Work facilities such as desks have not met, fiber working conditions that can still pose health risks to workers that need to be a concern. Keywords: ergonomic aspects, occupational health, welding INTISARI : IDENTIFIKASI ASPEK-ASPEK ERGONOMI DI WORKSHOP PENGELASAN DI LPKA KELAS II TOMOHON Pendahuluan: LPKA Kelas II Tomohon adalah Lembaga Pembinaan Khusus Anak yang memiliki tugas dan fungsi utnuk mebina, membimbing dan mengayomi setiap anak didik permasyarakatan yang bermasalah dengan hukum. Salah satu program pembinaan yang dilaksanakan yaitu pelatihan proses pengelasan untuk meningkatkan kreatifitas anak didik permasyarakatan.Tujuan: Penelitian ini bertujuan untuk mengidentifikasi penerapan delapan aspek ergonomi pada peserta workshop pengelasan di LPKA Kelas II Tomohon.Metode: Rancangan pada penelitian ini adalah dengan pendekatan analitik-observasional yaitu pengamatan tanpa intervensi untuk mengungkap fakta suatu sebab-akibat yang diuraikan secara deskriptif. Penelitian ini dilakukan dengan melakukan observasi terhadap cara kerja dan lingkungan kerja meliputi, interaksi manusia mesin, dan lingkungan fisik.Hasil: Berdasarkan Pengamatan dan Pengukuran yang dilakaukan diketahui bahwa pada program pengelasan dilihat dari penerapan aspek-aspek ergonomi yaitu Status gizi, sikap kerja, penggunaan tenaga otot, kondisi lingkungan, kondisi waktu, kondisi sosial, kondisi informasi dan kondisi interaksi manusia-mesin telah diterapkan walaupun dibeberapa aspek yang masih perlu diterapkan untuk terciptanya kondisi kerja yang aman, nyaman, sehat, efisen dan efektif.Simpulan: Berdasarkan identifikasi penerapan 8 aspek ergonomi yang masih menjadi prioritas perhatian yang berisiko terjadinya gangguan kesehatan pada peserta worksop yaitu dari aspek sikap kerja yang masih belum sesuai dengan sikap fisiologis/ergonomis, kondisi social budaya kerja peserta masih kurang dalam budaya penggunaan alat pelindung diri untuk menjamin keselamatan kerja, serta interaksi manusia-mesin masih belum sesuai yaitu dari penggunaan alat yang benar sesuai dengan fungsinya, fasilitas kerja seperti meja kerja belum memenuhi, serat kondisi kerja yang masih dapat menimbulkan risiko kesehatan pekerja yang perlu menjadi perhatian. Kata Kunci : aspek ergonomi, kesehatan kerja, pengelasan
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Yap, Choy Min, Hanif Farhan Mohd Rasdi, Dzalani Harun, and Wen Xin Lim. "Development and Validation of Perception of Seating Ergonomics Questionnaire: A Study on Klang Valley Drivers in Malaysia." Kesmas: Jurnal Kesehatan Masyarakat Nasional 18, no. 4 (November 29, 2023): 226. http://dx.doi.org/10.21109/kesmas.v18i4.6879.
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Driving is an instrumental activity of daily living that has become an essential mode of transportation. Good ergonomic practices are vital to ensure successful driving. This study aimed to develop and validate a questionnaire that could be used to determine how personal, environmental, and occupational factors influenced drivers' perceptions of seating ergonomics. This cross-sectional study was conducted in June-July 2022 among 250 drivers in the Klang Valley, Malaysia, recruited via an online survey. The participants completed the questionnaire by assessing different constructs in the Person-Environment-Occupation model and perceptions of seating ergonomics. Exploratory factor analysis (EFA) was conducted, followed by a path analysis. Test-retest reliability was assessed in 30 participants. The final EFA generated a four-factor structure that accounted for 61.69% of the variance. The final version of the questionnaire contained 19 items. The Cronbach's alpha values for all the constructs were above 0.7, and all the intraclass correlation coefficients were above 0.8. Based on the path analysis results, personal and occupational factors emerged as significant predictors for drivers' perceptions of seating ergonomics. The developed questionnaire was found to be valid and reliable.
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De Sio, Simone, Veronica Traversini, Francesca Rinaldo, Valerio Colasanti, Giuseppe Buomprisco, Roberto Perri, Federica Mormone, Giuseppe La Torre, and Fabrizio Guerra. "Ergonomic risk and preventive measures of musculoskeletal disorders in the dentistry environment: an umbrella review." PeerJ 6 (January 15, 2018): e4154. http://dx.doi.org/10.7717/peerj.4154.
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IntroductionDental practitioners are exposed to different occupational hazards during the course of their professional activity, such as physical, chemical, biological, ergonomic factors. The ergonomic hazards, caused by strained posture and prolonged repetitive movements, can induce musculoskeletal disorders. It occurs in 54–93% of dental professionals and involve the spine, shoulder and hand-wrist tract. Through a systematic review of international literature, we analyzed specific ergonomic risk factors and preventive measures of musculoskeletal disorders in professional dental activity.MethodsThis systematic review is coherent with the PRISMA statement. The scientific research on the major online databases was based on the following keywords: dentist, prevention, ergonomic, dentistry, musculoskeletal, neck pain, posture, ergonomics, work and occupational. The studies included in this review focus on disorders related to ergonomics and on the most effective preventive measures to be adopted. No restrictions were applied for language or publication type. We excluded reports not related to ergonomic prevention in dentistry, reports of minor academic significance, editorial articles, individual contributions, and studies published in scientific conferences.ResultsOnline research indicated 4188 references: PubMed (2919), Scopus (1257) e Cochrane Library (12). We excluded 3012 of these, because they were unrelated to ergonomics theme and 187 due to duplication. From the remaining 989 studies, 960 papers did not meet inclusion criteria and they were excluded. Therefore, we analyzed 29 articles, including 16 narrative reviews and 13 original article. The main risk factor for the development of musculoskeletal disorders found in our analysis is static posture adopted during work, highlighted in 87.5% of reviews and 84% of original articles. With regard to preventive measures, 75% of the reviews highlighted the importance of stretching after each working session and at the end of the working day, while 61.5% of the original articles emphasized the use of modern and ergonomic instruments.DiscussionThis review showed that static postures are strongly responsible in the etiology of musculoskeletal disorders. The awkward postures more frequently identified among dental professionals are: extreme forward-head and neck flexion; trunk inclination and rotation towards one side; lifting one or both shoulders; increased curvature of the thoracic vertebral column; incorrect positioning of the lower limbs with thigh-leg angle of less than 90°. It is really important to use of a modern workstation with appropriate ergonomic supports. Among the preventive ergonomic measures, literature has widely recognized the role of physical activity and of a neutral and balanced posture. The present review has some limits: a large part of the selected studies did not have a high methodological quality score and an inadequate statistical analysis.
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Artayasa, I. Nyoman. "Ergonomics and Tri Hita Karana on Balinese Traditional Houses Building." Lekesan: Interdisciplinary Journal of Asia Pacific Arts 4, no. 1 (May 17, 2021): 7–11. http://dx.doi.org/10.31091/lekesan.v4i1.1351.
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Tri Hita Karana is the concept of three things that can lead to happiness, which consist of the relation of human beings with God, amongst human beings, and the relationship of human beings with the environment, which is embodied in the circulation, the design space forming element, the supporting build a room, design of facilities, utilities and decoration. The study of ergonomics on traditional residential houses in Bali focuses on task elements, organization, and environment. The task examines how the facilities were created based on anthropometric and activity flow. Organization study about traditional Balinese buildings layout in terms of space organization resulted in a large scale, function space, and circulation space. Environment review the two sides, firstly is the physical environment, namely: the use of circulation, lighting and handling the current season every year, and secondly is the social environment, namely: religion, beliefs, norms, and others. There are similarities between Ergonomics and Tri Hita Karana; therefore, this study intends to it. It is conducted by using qualitative descriptive analysis with Tri Hita Karana concept on traditional Balinese buildings and accompanied with ergonomic values based on the subject of the task and environmental organizations. This writing aims to observe whether the ergonomics and Tri Hita Karana have similar views in the embodiment of traditional Balinese houses. At the end of the discussion, we can conclude that the embodiment of traditional Balinese residential buildings has to be considered on the relationship of human beings with God and the relationship between human beings and the environment. It also includes a consideration in ergonomics consists of task, organization, and environment; and it is found out that the concept of Tri Hita Karana has similarities with the idea of ergonomics on traditional Balinese houses.
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Candra, Muhammad, Rosnani Ginting, and Listiani Nurul Huda. "Implementation of Macro Ergonomic Participatory In Physical Work Environment: A Literature Review." Jurnal Sistem Teknik Industri 25, no. 1 (January 28, 2023): 65–73. http://dx.doi.org/10.32734/jsti.v25i1.9294.
Abstract:
All types of work must have potential hazards in the work, namely work-related illnesses or work accidents. The level of potential occupational hazard is influenced by the type of production activity, the technology used, the materials used, the design and construction environment, and the quality of management and workers. Musculoskeletal disorders, caused not only by aging but also by unergonomic settings of the equipment used, are one of the frequent occupational diseases caused by worker-job mismatch. This study aims to review the participatory macroergonomics literature based on the collected references on the development and application of creating ergonomic physical work environments. Participatory methods are methods that aim to find solutions agreed upon by managers, workers and ergonomics experts, and the result of this research is the ergonomic design of work environments.
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Krylova, Natal'ya. "Developing the culture of students’ intellectual activity based on cognitive ergonomics principles." Ergodesign 2021, no. 4 (December 30, 2021): 272–82. http://dx.doi.org/10.30987/2658-4026-2021-4-272-282.
Abstract:
The versatility of the concept and the need to develop the culture of students’ intellectual activity as a way of adapting in the modern information space are shown. The article considers the features of designing a joint cognitive system “The teacher – educational information – the student” as a condition for developing the culture of a future specialist’s intellectual activity and improving the quality of mastering educational information in the professional training process. The results of studying the factors reducing the quality of a student’s intellectual and educational activities within higher education environment are analyzed and discussed. Findings and recommendations are made to direct psychological and pedagogical correction in the system of higher education for further research.
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Jonathan, Adelia Suryani, and Mulyadi Mulyadi. "Analisis Faktor Yang Berhubungan Dengan Kejadian Low Back Pain Di PT. Maruki International Indonesia Makassar." Sulolipu: Media Komunikasi Sivitas Akademika dan Masyarakat 20, no. 1 (August 19, 2020): 31. http://dx.doi.org/10.32382/sulolipu.v20i1.1470.
Abstract:
Ergonomic is compatibility between working tools and workers who not suitable can cause workers to feel uncomfortable and decreased worker of productivity. One from things related of ergonomics is work position. In this case such as long standing, lifting, pushing, sitting position, etc. Workers of body activity that is not good in the long term will cause Low back pain (LBP) or Lower Back Pain (NPB).The aim of this study was to analyze the factors associated with the incidence of Low Back Pain in PT. Maruki International Indonesia Makassar .. This research is an observational analytic study with a cross sectional study design, a total sample of 58 people and using a purposive sampling method and data analysis is tested by conducting a statistical test that is chi square.The results showed there was no relation between age and the incidence of low back pain with P-value is 0.697> 0.05, there was a relation between duration time of work and the incidence of low back pain with P-value is 0.004 <0.05 and there was a relation between work ergonomics with the incidence of low back pain with P-value is 0.012 <0.05.Based on the results of this study concluded there ere no relation between the variables with the incidence of low back pain in workers at PT. Maruki International Indonesia Makssar in the factory section 1. Suggestions It is expected that workers improve their working methods of paying attention to health by applying ergonomic work principles to avoid injury, and other occupational diseases.Keywords: Low Back Pain, Age, Duration Of Work, Ergonomics
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Artayasa, I. Nyoman. "Ergonomics and Tri Hita Karana Conception in Balinese Traditional Houses." Mudra Jurnal Seni Budaya 25, no. 3 (September 30, 2010): 275–80. http://dx.doi.org/10.31091/mudra.v25i3.1564.
Abstract:
Tri Hita Karana is the concept of three things that can lead to happiness, which consist of the relationship of human beings with God, amongst human beings, and the relationship of human beings with the environ- ment, which is embodied in the circulation, the design space forming element, the supporting build a space, design of facilities, utilities and decoration. The study of ergonomics on traditional residential houses in Bali focuses on task elements, organization and environment. The task examines how the facilities are created based on anthropometric and activity flow. The organization studies about traditional Balinese buildings layout in terms of organization of space, which resulted in a large scale, function space and circulation space. Environment review the two sides, firstly is physical environment, namely: the use of circulation, lighting and handling the existing season every year, and secondly is the social environment, namely: religion, beliefs, norms and others. There are similarities between Ergonomics and Tri Hita Karana, therefore this study intend to it. It is conducted by using qualitative descriptive analysis with the applica- tion of Tri Hita Karana concept on traditional Balinese buildings and also accompanied with ergonomic values based on te ape ape ape ape ape ape ape ape ape ape ape ape ape ape ape appose of this writing is to observe whether the ergonomics and Tri Hita Karana have similar views in the embodiment of traditional Balinese houses. In the end of the discussion we can conclude that the embodiment of traditional Balinese residential buildings has to be considered on the relationship of human beings with God and also the relationship of human being with the environment. It is also includes a consideration in ergonomics con- sists of: task, organization and environment; and it is found out that in the concept of Tri Hita Karana has similarities with the concept of ergonomics on traditional Balinese houses.
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MARKOVA, PETRA, and VANESSA PRAJOVA. "EVALUATION OF PHYSICAL BURDENS OF OPERATORS USING ERGONOMICS." MM Science Journal 2021, no. 4 (October 13, 2021): 4872–78. http://dx.doi.org/10.17973/mmsj.2021_10_2021016.
Abstract:
The article describes the experience from assessing the load of the upper limbs during the horning operation, which is one of the more difficult manual manipulations. Several analytical methods were used to obtain complex analytical data. They were used to identify deficiencies in work activity causing loading of the upper limbs, which in the form of increased effort affect employees' work performance in the monitored work activity. The excessive workload of workers has a significant impact not only on the decline in performance but also on the development of difficulties caused by the cumulative effect of risk factors (work and work environment) and, last but not least, on the increase in accidents and occupational diseases. A comprehensive assessment of work activity based on various methods serves as a basis for ergonomic rationalization of work activity to reconcile the demands of work activity with operators' physical possibilities and abilities.
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MARKOVA, PETRA, and VANESSA PRAJOVA. "EVALUATION OF PHYSICAL BURDENS OF OPERATORS USING ERGONOMICS." MM Science Journal 2021, no. 4 (October 13, 2021): 4872–78. http://dx.doi.org/10.17973/mmsj.2021_10_2021016.
Abstract:
The article describes the experience from assessing the load of the upper limbs during the horning operation, which is one of the more difficult manual manipulations. Several analytical methods were used to obtain complex analytical data. They were used to identify deficiencies in work activity causing loading of the upper limbs, which in the form of increased effort affect employees' work performance in the monitored work activity. The excessive workload of workers has a significant impact not only on the decline in performance but also on the development of difficulties caused by the cumulative effect of risk factors (work and work environment) and, last but not least, on the increase in accidents and occupational diseases. A comprehensive assessment of work activity based on various methods serves as a basis for ergonomic rationalization of work activity to reconcile the demands of work activity with operators' physical possibilities and abilities.
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Peters, Susan, Michael Grant, Justin Rodgers, Justin Manjourides, Cassandra Okechukwu, and Jack Dennerlein. "A Cluster Randomized Controlled Trial of a Total Worker Health® Intervention on Commercial Construction Sites." International Journal of Environmental Research and Public Health 15, no. 11 (October 25, 2018): 2354. http://dx.doi.org/10.3390/ijerph15112354.
Abstract:
This study evaluated the efficacy of an integrated Total Worker Health® program, “All the Right Moves”, designed to target the conditions of work and workers’ health behaviors through an ergonomics program combined with a worksite-based health promotion Health Week intervention. A matched-pair cluster randomized controlled trial was conducted on ten worksites (five intervention (n = 324); five control sites (n = 283)). Worker surveys were collected at all sites pre- and post- exposure at one- and six-months. Linear and logistic regression models evaluated the effect of the intervention on pain and injury, dietary and physical activity behaviors, smoking, ergonomic practices, and work limitations. Worker focus groups and manager interviews supplemented the evaluation. After controlling for matched intervention and control pairs as well as covariates, at one-month following the ergonomics program we observed a significant improvement in ergonomic practices (B = 0.20, p = 0.002), and a reduction in incidences of pain and injury (OR = 0.58, p = 0.012) in the intervention group. At six months, we observed differences in favor of the intervention group for a reduction in physically demanding work (B = −0.25, p = 0.008), increased recreational physical activity (B = 35.2, p = 0.026) and higher consumption of fruits and vegetables (B = 0.87, p = 0.008). Process evaluation revealed barriers to intervention implementation fidelity and uptake, including a fissured multiemployer worksite, the itinerant nature of workers, competing production pressures, management support, and inclement weather. The All the Right Moves program had a positive impact at the individual level on the worksites with the program. For the longer term, the multi-organizational structure in the construction work environment needs to be considered to facilitate more upstream, long-term changes.
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Aulianingrum, Priska, and Hendra Hendra. "Risk Factors of Musculoskeletal Disorders in Office Workers." Indonesian Journal of Occupational Safety and Health 11, SI (June 16, 2022): 68–77. http://dx.doi.org/10.20473/ijosh.v11isi.2022.68-77.
Abstract:
Introduction: Musculoskeletal disorders (MSDs) are a collection of symptoms in the human skeletal and muscular systems, which are characterized by discomfort or pain. The International Labor Organization (ILO) stated that MSDs are the most common health problem among office workers in 27 countries under the European Union. Therefore, this study aims to determine the risk factors for MSDs among office workers. Method: This study used the literature review method by accessing an online database using different keywords, namely risk factors, musculoskeletal disorders, and office workers. Subsequently, 939, 1,421, and 243 articles were obtained from Google Scholar, ProQuest, and PubMed.Gov, respectively, with a total of 2,603. The inclusion criteria include papers published between 2011 and 2021, relevant titles and abstracts, primary study with a cross-sectional design, as well as full-text availability. Incomplete articles that are irrelevant to the topic were then excluded, after which a total of eight were selected for analysis. Result: Based on selected articles known that the risk factors for MSDs include age, gender, knowledge of ergonomics, work posture, work facilities, duration of work, physical activity, and psychosocial factors in the workplace. Conclusion: The significant risk factors for MSDs include increasing age, female gender, increased work duration, poor knowledge of ergonomics, wrong work posture, non-ergonomic support facilities, lack of physical activity, as well as poor psychosocial conditions in the workplace.
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Stradioto, Juliano Prado, and Ariel Orlei Michaloski. "Ergonomic analysis of biomechanical overloading: external coating activity using mortar." Acta Scientiarum. Technology 43 (February 26, 2021): e51335. http://dx.doi.org/10.4025/actascitechnol.v43i1.51335.
Abstract:
The economic growth of a country is directly linked to the growth of several sectors, in which the construction sector is prominent. The objective was to investigate by means of ergonomic analysis the external coating activity performed on building façades, due to its high degree of difficulty. The methodological approach was composed by a review of the literature and quantitative research using the OCRA checklist method, highlighting the biomechanical overload risk analysis of the external coating activity in mortar based on International Standard ISO 11228-3: 2009. The data collection took place in construction sites in Brazil in the cities of Ponta Grossa-PR and Porto Alegre-RS applying the mentioned method. The results of demand illustrate the concepts presented in the review, as well as the confirmation of the incidence of pain and lesions in the upper limbs and the repetitiveness in the analyzed activities. The results indicate that: a) the analysis of the chosen activity resulted in a high level of risk applying the immediate intervention, with improvements; b) proof by calculating the risk of biomechanical overload to implement improvements in the company; c) evidence that the improvements resulted in a reduction of ergonomic risks by more than 50%, with improvement in posture and strength requirements. In turn, the relevance of this work is highlighted, as it enables the development of public and private policies in the area of ergonomics with the purpose of developing the sector. In the end, the work opens up possibilities for the continuity of the research on the addressed topic.
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Bartnicka, Joanna, Patrycja Kabiesz, and Jan Kaźmierczak. "Standardization of human activities as the component of a workflow efficiency model – a research experiment from a meat producing plant." Production Engineering Archives 26, no. 2 (June 1, 2020): 73–77. http://dx.doi.org/10.30657/pea.2020.26.15.
Abstract:
AbstractThe aim of the following research it to provide assumptions for creating workflow efficiency model that can be implemented in repeatable production workstations. One of the main components of this model are human activities and their interactions with other elements of working environment: human and artefacts. Recognition of patterns of human behaviours within working processes gives the opportunity to find critical points that influence workflow efficiency.The subject of research is a working process existing in meat producing plant. The main method used for recognizing human activity patterns was observation and qualitative and quantitative assessments of operational activities based on video registration. Particularly, human activities were analyzed under ergonomics criteria in order to proof dependencies between process efficiency and specific ergonomic factors forming working conditions at meat plant.
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Stepanova, Galina, and Alexandr Sudarik. "Forming domestic ergonomics and ergodesign in the soviet period." Ergodesign 2021, no. 4 (December 30, 2021): 288–305. http://dx.doi.org/10.30987/2658-4026-2021-4-288-305.
Abstract:
The 60s-80s of the last century are characterized by emerging a number of theoretical and methodological works devoted to new understanding of design as a person’s interaction with his objective world. These are the works of designers (Fedorov M.V., Minervin G.B. and others), philosophers (Kantor K.M., Shchedrovitsky G.P., Yudin E.G.) and psychologists (Zinchenko V.P., Munipov V.M., Chainova L.D. and others). Common positions were noted in a variety of interpretations; these positions are interdisciplinarity and project-based design. Intensive development of technical means of labour activity determined the need to have an integral system of ideas about a working person, his labour activity, his relationship with the machine and with the environment, his ergonomics. Thanks to the research and development of prominent Russian philosophers, engineers and psychologists, ergonomics received the status of an interdisciplinary, scientific and design discipline of a new type, based on a systemic methodology and an activity approach. On the basis of the All-Union Scientific Research Institute of Technical Aesthetics, founded in 1962, a productive integration of design and ergonomics tools was fulfilled; a direction was formed, which would later be called ergodesign. Special interdisciplinary research, projects and developments were organized where specialists from different fields of knowledge studying the human nature participated. In the process of these events the ideas of various disciplines were synthesized. A significant part of the research in the field of ergodesign in the period of 1960s-1980s was carried out within the framework of a closed problem in the field of space ergonomics and defence technology. Some of the solutions in the field of space ergonomics and defence technology related to the developments conversion in the post-Soviet period are discussed in this article.
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Lavrov, Evgeniy, Nadiia Pasko, Olga Siryk, Natalia Kisel, and Nelly Sedova. "The method of teaching IT students computer analysis of ergonomic reserves of the effectiveness of automated control systems." E3S Web of Conferences 166 (2020): 10017. http://dx.doi.org/10.1051/e3sconf/202016610017.
Abstract:
In the article, we consider a technique for training university students, who study IT specialties to solve problems of finding ergonomic reserves to improve the efficiency of automated systems. We describe the structure of the “Ergonomics of Automated Systems” course, software for evaluating and optimizing the activities of operators of “human-equipment-environment” systems, and methodological techniques for using ergonomic computer modeling to build effective automated control systems. Discipline is built using a mansystem approach to the study and design of automated systems, when a person is considered the main element of the system, but the diverse influence of hardware, software and information support, as well as the environment, is taken into account. A significant difference between the developed method and similar existing disciplines devoted to the study of the “human factor” is that, firstly, not only the characteristics of the human operator working with technology are studied, but also the mutual influence of system elements; secondly, the course is based on a qualimetric approach to assess the reliability of the activity and the economic results of this activity; thirdly, the computer modeling used is focused on optimization with the use of economic criteria of activity, while observing the requirements of ergonomic norms and standards. Functional networks developed by the scientific school “Efficiency, Reliability, and Quality of Ergotechnical Systems” by Professor Anatoly Ilyich Gubinsky were used as a methodological basis for modeling and optimization of activities.
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Protasenko, Olga, and Andrii Ivashura. "EFFECTIVENESS AND SAFETY OF STUDENTS’ WORK WITH DIGITAL LEARNING ECOSYSTEMS." Scientific Journal of Polonia University 51, no. 2 (June 14, 2022): 337–49. http://dx.doi.org/10.23856/5140.
Abstract:
The application of digital ecosystems to various activity types is an objective reality. One of the areas of activity that is currently undergoing a stage of active digitalisation is the educational system. As a result, a separate segment of digital ecosystems appeared − the digital learning ecosystem. The essential issues in the operation of digital learning ecosystems are the learner’s efficiency and safety when interacting with them. This issue has become relevant due to the recent transition to a remote learning mode because control of the effectiveness and safety of interaction with the digital learning ecosystem has decreased. Thus, the paper puts forward a hypothesis: the efficiency and safeness of a student’s work with a digital learning ecosystem in a remote work depend on three components: the level of digital competence; ergonomics of the digital learning ecosystem; ergonomic organisation of the workplace. An experiment was carried out to research the hypothesis. The students in the first year of studying the bachelor’s qualification level from the Simon Kuznets Kharkiv National University of Economics took part. The Personal Learning Systems was chosen as the studied object. The hypothesis got confirmation during the study. In addition, a heuristic model of student interaction with a digital learning ecosystem was proposed based on the results. According to the model, teaching students such interdisciplinary sciences as cognitive and organisational ergonomics and building an individual learning trajectory will increase the effectiveness of students’ interaction with digital learning ecosystems.
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Galey, Louis, Mathilde Brossard, and Alain Garrigou. "SS73-04 METHODOLOGICAL PROPOSAL FOR AN ARTICULATION OF ERGONOMIC DESIGN AND ERGOTOXICOLOGY APPROACHES – THE CASE OF METAL ADDITIVE MANUFACTURING." Occupational Medicine 74, Supplement_1 (July 1, 2024): 0. http://dx.doi.org/10.1093/occmed/kqae023.0418.
Abstract:
Abstract The aim of this presentation is to propose a global approach articulating design ergonomics and ergotoxicology, in order to support the creation and transformations of future additive manufacturing activities. This approach, developed as part of a thesis, is marked by an Industry 4.0 context. Indeed, this 4th industrial revolution favors the integration of new technologies, particularly digital ones, in order to respond to technical limits and feasibilities, as is the case with additive manufacturing. The methods and approaches used to design technological systems in the industry of the future are mainly based on a technocentric approach. This technocentric design approach often underestimates the multidisciplinary, anthropocentric approaches that enable awareness of real work issues and emerging risks. Indeed, work activities are transformed and new exposure situations arise. The aim of this research work is therefore to create a design methodology for these technological systems that incorporates ergonomics input. This contribution is characterized in particular by the classic methods used in ergonomics: observation of real-life work, interviews with actors, or physiological measurements (e.g. cardiofrequencemetry). The classic ergonomic tools used in project management can thus be combined with ergotoxicology-specific metrology methods: video exposure monitoring, real-time particle measurement, individual aerosol sampling, surface sampling, etc. These data from real work activities will be used to build future activity simulations, prevent occupational risks (MSDs, chemical risks) and support those involved in transforming their professional practices. Knowledge of work and exposure is then used in the industrial design process to promote safe implementation.
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Hyodo, Kei, Shin'ichi Fukuzumi, Yoshiko Yagi, and Masayasu YAMAMOTO. "S1B5-03 ISO TR 9241-502 Ergonomics of human-system interaction — Part 502: Ergonomics aspect of Activity Based Working(仮) 紹介." Japanese Journal of Ergonomics 59, Supplement (September 7, 2023): S1B5–03—S1B5–03. http://dx.doi.org/10.5100/jje.59.s1b5-03.
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B L, Abdurahman Berbudi, Nina Mustika Sari, and Liza Laela Abida. "Hubungan Berkendara Sepeda Motor Terhadap Risiko Terjadinya Nyeri Punggung Bawah." Jurnal Fisioterapi dan Kesehatan Indonesia 3, no. 1 (May 23, 2023): 86–90. http://dx.doi.org/10.59946/jfki.2023.178.
Abstract:
Low back pain is a disorder that occurs in the lower back area due to pinched nerves, muscle tension, herniated nucleus pulposus, disorders of the spine and joints, low back pain can cause discomfort and interfere with one's productivity, there are many factors that affect low back pain such as age, ergonomics when lifting goods, work position, Body Mass Index, riding a motorcycle. This research is a descriptive study with a cross-sectional study design. The research subjects included members of the Bekasi City Association and the people of Pamulang. Data analysis was performed using the chi-square test and ordinal regression. The results showed that the risk factors for low back pain had a significant relationship such as age, body mass index, ergonomics, exercise habits, work, and motorcycle driving value p <0.05. Body mass index, which is obtained due to low exercise activity, ergonomic factors when working lifting goods and when driving can trigger the sensation of lower back pain, while risk factors such as smoking habits, gender, years of service have no significant relationship where the value of p> 0.05 , because smoking and years of work are not a very determining factor, as well as gender in this study more men, whereas based on previous research women are more at risk of developing low back pain.
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Colim, Ana, Carlos Faria, Ana Cristina Braga, Nuno Sousa, Luís Rocha, Paula Carneiro, Nélson Costa, and Pedro Arezes. "Towards an Ergonomic Assessment Framework for Industrial Assembly Workstations—A Case Study." Applied Sciences 10, no. 9 (April 27, 2020): 3048. http://dx.doi.org/10.3390/app10093048.
Abstract:
Work-related musculoskeletal disorders (WMSD) are one of the main occupational health problems. The best strategy to prevent them lies on ergonomic interventions. The variety of industrial processes and environments, however, makes it difficult to define an all-purpose framework to guide these ergonomic interventions. This undefinition is exacerbated by recurrent introduction of new technologies, e.g., collaborative robots. In this paper, we propose a framework to guide ergonomics and human factors practitioners through all stages of assessment and redesign of workstations. This framework was applied in a case study at an assembly workstation of a large furniture enterprise. Direct observation of work activity and questionnaires were applied to characterize the workstations, the process, and the workers’ profiles and perceptions. An ergonomic multi-method approach, based on well-known and validated methods (such as the Finnish Institute of Occupational Health and Rapid Upper Limb Assessment), was applied to identify the most critical risk factors. We concluded that this approach supports the process redesign and tasks’ allocation of the future workstation. From these conclusions, we distill a list of requirements for the creation of a collaborative robot cell, specifying which tasks are performed by whom, as well as the scheduling of the human-robot collaboration (HRC).
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Sutapa, I. Ketut. "Short rest application reduce workload and musculoskeletal complaints public transportation driver." International journal of life sciences 3, no. 2 (August 26, 2019): 52–58. http://dx.doi.org/10.29332/ijls.v3n2.321.
Abstract:
It was needed an ergonomic work system to increase productivity for the vehicle driver work systems involves a lot of physical activity. Regarding preliminary observations, it showed the work system that was implemented still has shortcomings, unlike the work organization. Therefore, it needs to be prioritized to be improved. It becomes healthier, safer, more comfortable, and more productive. The driver’s work system improvement was carried out with an ergonomics approach. The study design used was the same subject design with ten people sample for each group. The study focused on the application of short rest with indicators of workload and musculoskeletal excitability before and after the short rest application. Based on the results of research and discussion can be concluded. The short rest application reduced the workload of vehicle drivers 28% from the category of moderate workloads to being moderate and reducing musculoskeletal complaints 42.21%.
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Setiawan, Heri. "Reduksi Keluhan Muskuloskeletal Pekerja dan Waktu Siklus Prses Produksi Berbasis Ergonomi Pada Insdustri Karet." Jurnal Rekayasa Sistem Industri 4, no. 1 (October 9, 2017): 38. http://dx.doi.org/10.26593/jrsi.v4i1.1382.38-46.
Abstract:
Achievement of plant capacity and reducing bottlenecks in the production process at wet blanket<br />workstation determined on the level worker of musculoskeletal disorders and the cycles time of the production<br />process per slabs. Capabilities and limitations of workers, equipment, task, and environmental organizations<br />must be harmonized for level of workers musculoskeletal disorders and the cycles time of the production<br />process per slabs reduction. The problem scale priority based on total ergonomics must be applied early with<br />identification of 8 aspects of ergonomics, planned and considered systemic, holistic, interdisciplinary and<br />participatory and apply the concept of appropriate technology become one of problem solution about this case.<br />Reduction of level of worker musculoskeletal disorders and cycles time of the production process per slabs<br />based on ergonomics; include redesigning of the ergonomics table and standing-seat chair folding work wet<br />blanket, setting the pattern system of pair work, giving an active break, providing additional nutrition in<br />the form of sweet tea and snack pempek, provision of personal protective equipment, and redesigning of the<br />physical work environment. Experimental research was using the treatment by subject design, with involved<br />17 workers samples who perform activities on the conditions of activity before and after the redesign based<br />on ergonomics. The level worker of muskuluskeletal disorders, and the cycle time of the production process<br />per slabs data were analyzed using Two Pair Sample t-test at a significance level of 5%. The results of study<br />showed that after redesign of wet blanket workstation based on ergonomics there was a significant reduction<br />of the level worker of muskuluskeletal disorders as 21.02%, and reduction of the cycles time of the production<br />process per slabs as 21.85%.
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Czekaj, Łukasz, Mateusz Kowalewski, Jakub Domaszewicz, Robert Kitłowski, Mariusz Szwoch, and Włodzisław Duch. "Real-Time Sensor-Based Human Activity Recognition for eFitness and eHealth Platforms." Sensors 24, no. 12 (June 15, 2024): 3891. http://dx.doi.org/10.3390/s24123891.
Abstract:
Human Activity Recognition (HAR) plays an important role in the automation of various tasks related to activity tracking in such areas as healthcare and eldercare (telerehabilitation, telemonitoring), security, ergonomics, entertainment (fitness, sports promotion, human–computer interaction, video games), and intelligent environments. This paper tackles the problem of real-time recognition and repetition counting of 12 types of exercises performed during athletic workouts. Our approach is based on the deep neural network model fed by the signal from a 9-axis motion sensor (IMU) placed on the chest. The model can be run on mobile platforms (iOS, Android). We discuss design requirements for the system and their impact on data collection protocols. We present architecture based on an encoder pretrained with contrastive learning. Compared to end-to-end training, the presented approach significantly improves the developed model’s quality in terms of accuracy (F1 score, MAPE) and robustness (false-positive rate) during background activity. We make the AIDLAB-HAR dataset publicly available to encourage further research.
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Brun, Jean-Pierre. "Work Activity and Subjectivity: A Behind-the-Scenes Look at the Work of Linemen." Articles 50, no. 4 (April 12, 2005): 811–25. http://dx.doi.org/10.7202/051055ar.
Abstract:
Using a study of linemen, this article shows how analyzing the subjective experience of linemen can enrich the understanding of work activities. The démonstration is based essentially on the phenomenon of defensive strategies, which allow human beings to maintain their psychic equilibrium despite the harmful effects of work organization. Finally, it is proposed that ergonomics should pay doser attention to the more personal phenomena that inevitably influence work activities.
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Diansari, Brillian Nur, Fery Wisnu Saputro, and Sandy Danu Wijaya. "ANALISIS ERGONOMI PADA POSTUR DUDUK SISWA MENGGUNAKAN METODE QUICK EXPOSURE CHECK." TEKNIKA: Jurnal Teknik 10, no. 2 (November 26, 2023): 127. http://dx.doi.org/10.35449/teknika.v10i2.274.
Abstract:
Ergonomics is a science that studies interactions between humans and system elements based on human strengths and limitations. One of the applications of ergonomics is the interaction between students and learning facilities. Students study at school for more than 8 hours with sitting for their dominant activity. Not ergonomics sitting posture, such as: bending over, tilting to one side, supporting the chin, resting the chin on the table and bending the neck can cause the risk of Musculoskeletal Disorders (MSDs). Currently, students have complaints of pain in the neck and lower back. Therefore, this research aim is analyzing unergonomics sitting posture of student from an ergonomics perspective to avoid the risk of Musculoskeletal Disorders (MSDs). The method used in this research is Quick Exposure Check (QEC), which is generally used to detect fatigue and musculoskeletal disorders in workers, but as an innovation this method is used to analyze the phenomenon of students sitting posture. The assessment using this method produces an Exposure Score of 61,73%, it means that further research and improvement are needed in this condition. So, it is recommended that students have to sitting in ergonomics posture to avoid the risk of musculoskeletal disorders, creating an effective, comfort, safe, and efficient learning conditions and improving the quality of learning.
Keywords: Students, Assessment, Improvement
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Wu, Jun, and Wen Min Han. "Research of Neuroergonomics Experimental Teaching System in Industrial Engineering." Applied Mechanics and Materials 596 (July 2014): 1034–39. http://dx.doi.org/10.4028/www.scientific.net/amm.596.1034.
Abstract:
As human factors teaching in industrial engineering steering to neuroergonomics as the core, neuron ergonomics experiment in new generation of industrial engineering experimental teaching occupies important position. Neuroergonomics experiments directly observe the human brain cognitive activities by means of equipments for measuring the electromagnetic activity and the brain blood flow dynamics in the brain. Based on the present experimental research situation, neuron ergonomics experimental teaching system platform was set up, which involves EEG & ERP experiment system, physiological experiment system, eye movement experiment system. The experimental teaching system includes validation experiments, designing experiments, comprehensive experiments and research experiments for different levels students. The experimental teaching system implements the system of industrial engineering laboratory construction update and perfect.
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Yavorska, O., M. Arkhirei, O. Sharovatova, and O. Borovytskyi. "ERGONOMICS OF PROFESSIONAL RISKS MANAGEMENT." Municipal economy of cities 6, no. 173 (December 16, 2022): 170–77. http://dx.doi.org/10.33042/2522-1809-2022-6-173-170-177.
Abstract:
In the modern working environment, the performance of professional tasks mostly depends on the physiological and cognitive abilities of employees, adaptive and mental processes. From these abilities and processes depend on information processing. Emphasized attention is placed on the fact that acceptable working conditions, high work productivity and a high level of well-being of employees are interconnected elements. Therefore, it is important to manage the conditions of cognitive and physiological stress in order to reduce their harmful consequences for individual employees, teams, organizations, etc. To improve the effectiveness of risk management, a four-step approach is proposed, which involves accounting for occupational hazards, dangerous and harmful occupational factors at the workplace; providing the opportunity of any employee to contact the group of rapid response to hazards in case of occurrence or change of dangerous and harmful occupational factors, growth of occupational risks, appearance of new hazards, etc. during the work shift; introducing a discussion with justification of preventive and protective actions to reduce professional risks; application of measures for the prevention of dangerous situations (conducting supervision, audits and self-assessment of the activities of employees at workplaces). Systematicity is the main principle of ergonomics used to develop an algorithm for the step-by-step implementation of the process of managing professional risks. It`s consists of defining as a complete system - the set of all components of the labor activity of employees, which would reduce the impact on the physiological and cognitive potential of the employee. Forms of a hazard guide, a hazard notification card and a safety audit report have been developed. It will reduce the time to learn the specified procedures due to a conscious attitude to one's own activities at the workplace. Reasonable measures to increase the effectiveness of professional risks management based on the step-by-step performance of certain actions by employees are oriented to increasing awareness of safety at the workplace. Keywords: risk, management, ergonomics, preventive measures, cognitive stress.
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Du, Jinyan (Christy), and Vincent G. Duffy. "A methodology for assessing industrial workstations using optical motion capture integrated with digital human models." Occupational Ergonomics 7, no. 1 (June 14, 2007): 11–25. http://dx.doi.org/10.3233/oer-2007-7103.
Abstract:
This study examined an existing industrial workstation at an automobile assembly plant using computer aided ergonomics and digital human models. The purpose of this evaluation was the development of a motion capture-based methodology for evaluating workstations to identify potential design issues that could result in musculoskeletal injury in a real work environment. An ergonomic risk assessment was conducted on a sample of operators performing a lifting task manually and using an assist device. An optical motion capture system was setup and calibrated in the industrial workplace to collect motion data. UGS™ JACK digital human modelling software was used for the computer-based ergonomic analysis to evaluate the potential injury risk of the current task, considering difference between using and not using the assist device. The work tasks were decomposed into subtasks before analysis. Muscle activity was also measured by wireless electromyography (EMG) in order to identify physiological indicators of stress and strain. The results suggest although using the assist device decreased injury risk potentially, use of the assist device had an adverse impact on the productivity of the assembly line. Based on the findings of this study, the methodology appears to be appropriate for assessing and predicting potential risks associated with the design of industrial workstations and work tasks. The results also highlight tradeoffs in using an assist device which can decrease injury risk in some cases, while having an adverse impact on the productivity of the assembly line.
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Nurmianto, Eko. "Empowering in Coastal Communities Using Ergonomics and Technopreneurship Methods." IOP Conference Series: Earth and Environmental Science 1198, no. 1 (June 1, 2023): 012014. http://dx.doi.org/10.1088/1755-1315/1198/1/012014.
Abstract:
Abstract Every community wants their business to be successful and able to last a long time. Problems of coastal community are lack of skill and income Empowerment objectives 1) Determining the level of needs of coastal communities, 2) Determining the type of skills required, 3) Determining appropriate training packages to improve skills. Based on this goal, the result of empowerment is how to improve the skills and income of coastal communities. As people’s income increases, it is expected that the volume of activities and commodity trading will also increase. This empowerment provides a plan to improve the standard of living for coastal communities and their families. This activity is in accordance with SDG 8 (Decent Work and Economic Growth.
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Skuridin, A. A., A. A. Yelizarov, E. A. Zakirova, I. V. Nazarov, and A. D. Kasatkin. "Microwave Methods and Technologies for Monitoring Electrical Activity of the Skin." Meditsinskaya Fizika, no. 1 (April 25, 2024): 53–62. http://dx.doi.org/10.52775/1810-200x-2024-101-1-53-62.
Abstract:
The paper presents the analysis of the existing solutions for measuring the electrical activity of the skin using traditional methods, which include the use of direct current sensors, and also proposes new promising solutions related to the use of sensing elements based on slow wave systems. The questions of practical realization of electrodes, in particular materials and topologies providing mechanical strength and ergonomics of elements of wearable devices are considered. It is shown that the use of microwave sensors allows to increase the sensitivity of the device in comparison with the existing analogs on direct current, and also possess the desired mechanical properties, allowing them to be resistant to deformations.
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Kuehni, Rolf G. "Cone activity based analysis of color-difference data." Color Research & Application 20, no. 1 (February 1995): 77. http://dx.doi.org/10.1002/col.5080200114.
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Sirola, Pia, Annu Haapakangas, Marjaana Lahtinen, and Virpi Ruohomäki. "Workplace change process and satisfaction with activity-based office." Facilities 40, no. 15/16 (December 27, 2021): 17–39. http://dx.doi.org/10.1108/f-12-2020-0127.
Abstract:
Purpose The purpose of this case study is to investigate how the personnel in an organization experienced the process of change when moving from private offices to an activity-based office (ABO) and how their perceptions of change were associated with changes in their satisfaction with the work environment a year after relocation. Design/methodology/approach A comparative pre-post study design and mixed methods were used. Survey data was obtained from 154 employees before the relocation and 146 after the relocation. The data on the 105 employees who responded to both surveys were statistically analyzed. Representatives of different units were interviewed (n = 17) and documentary material was analyzed as complementary material. Findings The personnel’s criticisms concerned the reasons for the change, their opportunities to influence the office design and the extent to which their views were taken into account. Environmental satisfaction decreased after moving to the ABO. The personnel’s ratings of the workplace change process before the relocation were associated with the later change in environmental satisfaction. Based on logistic regression, the degree of agreement with management’s reasons for the change was the strongest predictor of the change in environmental satisfaction. Practical implications Organizations that move from private offices to an ABO should invest in high-quality change management and simultaneously develop both work and facilities. Special attention should be paid to clarifying the rationale for the change to the employees and to providing them with opportunities to influence during the change. Organizations should continue to monitor user experiences and evaluate the effects of the change after the office redesign and should take corrective action as needed. Originality/value This empirical case study is unique as it combined qualitative and quantitative methods and investigated the process of relocation and its outcomes in a one-year follow-up. This approach captured the importance of managing change and assessing the long-term effects of office redesign when moving from private offices to an ABO.
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Wijayani, Ni Nyoman Ryanti, Ni Luh Putu Gita Karunia Saraswati, Ni Luh Nopi Adnyani, and Ni Komang Ayu Juni Antari. "The relationship between analysis of upper limb function, physical activity, and neck pain in wood carvers." Physical Therapy Journal of Indonesia 4, no. 2 (August 2, 2023): 189–94. http://dx.doi.org/10.51559/ptji.v4i2.132.
Abstract:
Background: Indonesia has a large workforce and frequent work accidents. The work of woodcarving artisans in Ubud village has a high risk of accidents. Neck pain is a common problem these artisans face due to static movements, vibrations, and excessive physical activity. Ergonomics in the work environment is the key to preventing pain and fatigue, but non-ergonomic working positions often occur in wood artisans. Therefore, this study aims to explore the relationship between rapid upper limb assessment (RULA) analysis, physical activity, and complaints of neck pain among woodcarvers.
Methods: This type of research is an analytic observational with a cross-sectional design. The sampling technique is total sampling. The number of subjects obtained is 31 people according to predetermined criteria. The instruments used were the International Physical Activity Questionnaire (IPAQ) questionnaire to measure physical activity levels, the RULA form to assess work position, and the Numeric Rating Scale (NRS) questionnaire to measure complaints of neck pain. This study used two techniques, namely univariate and bivariate analysis, using the SPSS program.
Results: Based on bivariate analysis using Spearman’s rho non-parametric method on 31 respondents, a significant correlation was found between RULA analysis and complaints of neck pain with a correlation coefficient of 0.55 and also found that there is a significant relationship between physical activity and complaints of neck pain with a correlation coefficient of 0.83.
Conclusion: There is a relationship between RULA analysis and complaints of neck pain in woodcarving craftsmen in Ubud Village and there is a relationship between physical activity and complaints of neck pain in complaints of neck pain in woodcarving craftsmen in Ubud Village.
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M, M. Gasali, and Rizki Juliarman. "Redesign Handle Wheelbarrow Untuk Mengurangi Keluhan Musculoskeletal Menggunakan Metode Quality Function Deployment (QFD) di Perkebunan Kelapa Sawit Bagan Jaya Kab. Indragiri Hilir, Riau." Rona Teknik Pertanian 8, no. 2 (October 1, 2015): 111–15. http://dx.doi.org/10.17969/rtp.v8i2.3008.
Abstract:
Abstrak. Wheelbarrow adalah salah satu alat angkut material yaitu gerobak sorong, wheelbarrow pada awalnya merupakan alat angkut yang sangat berguna bagi masyarakat yang melakukan aktivitas pengangkutan hasil perkebunan ataupun juga barang-barang bangunan yang lain sebagainya, jika dilihat dari definisinya wheelbarrow adalah alat angkut yang didorong dengan tangan, memiliki 1 buah roda, dan didorong oleh satu orang operator melalui handle. Sejalan dengan hal tersebut telah banyak pengembangan-pengembangan yang dilakukan terhadap sistem dan metode penunjang untuk mempermudah semua aktivitas tersebut. Salah satunya alat bantu angkut meterial yaitu gerobak sorong (wheelbarrow). Gerobak sorong atau wheelbarrow pada awalnya merupakan alat angkut yang sangat berguna bagi masyarakat untuk melakukan aktivitas pengangkutan hasil perkebunan ataupun juga barang-barang bangunan dan lain sebagainya, Hasil perhitungan persentil yang dilakukan didapat panjang 29,02 cm dengan pembulatan menjadi 30 cm. jadi, panjang hendle perancangan yang ergonomis berdasarkan antropometri pekerja kebun kelapa sawit adalah sebesar 30 cm, dihitung dari titik las, diameter handle wheelbarrow sebesar 3,03 cm, dan lebar hendle 9,04 cm dengan pembulatan menjadi 9 cm. Hasil penelitian setelah dilakukan perancangan ulang Wheelbarrow yang berbasis Quality Function Deployment (QFD) adalah memiliki aspek-aspek quality, ergonomi yang lengkap yaitu efektif, nyaman, aman, sehat, dan efisien (ENASE). Keluhan muskuloskeletal karyawan Perkebunan mengalami penurunan sebesar 31,79%. Design Handle Wheelbarrow to Reduce Musculoskeletal Complaints Method Using Quality Function Deployment (QFD) in Oil Palm Plantation Bagan Jaya District, Indragiri Hilir, RiauAbstract. Wheelbarrow is one means of conveyance of material, namely a wheelbarrow, wheelbarrow initially a conveyance which is very useful for people who transport activity plantation crops or also goods buildings, etc., when seen from the definition wheelbarrow is a means of transport that is driven by hand , has 1 piece wheels, and driven by an operator through the handle. In line with this has been a lot of developments done on the system and methods of support to facilitate all those activities. One of these tools is the wheelbarrow transport meterial (wheelbarrow). Handcart or wheelbarrow to haul awalnyamerupakan a very useful tool for people to do activities or also the transportation of farm goods and other buildings, performed percentile calculation result obtained by rounding length of 29.02 cm to 30 cm. so long hendle ergonomic design based anthropometric oil palm plantation workers is 30 cm, calculated from the point of welding, wheelbarrow hendle diameter of 3.03 cm, and width hendle 9, 04 cm with rounding to 9 cm. Results of the study after the redesign Wheelbarrow based Quality Function Deployment (QFD) is to have the aspects of quality, ergonomics complete that is effective, convenient, safe, healthy, and efficient (ENASE). Musculoskeletal complaints plantation employees decreased by 31.79%.
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Almhdawi, Khader A., Hassan Alrabbaie, Saddam F. Kanaan, Alaa O. Oteir, Alaa F. Jaber, Noor T. Ismael, and Donia S. Obaidat. "Predictors and prevalence of lower quadrant work-related musculoskeletal disorders among hospital-based nurses: A cross-sectional study." Journal of Back and Musculoskeletal Rehabilitation 33, no. 6 (November 11, 2020): 885–96. http://dx.doi.org/10.3233/bmr-191815.
Abstract:
BACKGROUND: Work-related musculoskeletal disorders (WMSDs) represent a significant problem for nurses. It is thus important to investigate nurses’ WMSDs prevalence and comprehensive predictors including motor, mental, and lifestyle factors. OBJECTIVES: To investigate the prevalence and predictors of lower quadrant WMSDs among Jordanian nurses. METHODS: A cross-sectional design, using self-administered questionnaires, was utilized. Outcome measures included Nordic Musculoskeletal Questionnaire (NMQ), Depression Anxiety Stress Scale (DASS21), Pittsburgh Sleep Quality Index (PSQI), sociodemographic data, and self-reported work ergonomics. Descriptive analyses were used to determine lower quadrant WMSDs prevalence and regression analyses were used to assess their predictors. RESULTS: A total of 597 nurses participated in the study. Twelve-month prevalence of lower quadrant WMSDs were 77.4% in lower back, 22.3% in hips, 37.5% in knees, and 28.5% in ankles and feet. Older age, longer years of experience, high workload, poor work habits and ergonomics, high physical activity level, availability of patient handling equipment, handling policies, stress, and anxiety were significant predictors (p< 0.05) of lower quadrant WMSDs. CONCLUSIONS: Jordanian nurses have a high prevalence of lower quadrant WMSDs. Many modifiable risk factors of WMSDs were identified. Future studies need to design effective treatment and preventive strategies for nurses’ WMSDs to improve their work efficiency and wellbeing.
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Niemann, Friedrich, Stefan Lüdtke, Christian Bartelt, and Michael ten Hompel. "Context-Aware Human Activity Recognition in Industrial Processes." Sensors 22, no. 1 (December 25, 2021): 134. http://dx.doi.org/10.3390/s22010134.
Abstract:
The automatic, sensor-based assessment of human activities is highly relevant for production and logistics, to optimise the economics and ergonomics of these processes. One challenge for accurate activity recognition in these domains is the context-dependence of activities: Similar movements can correspond to different activities, depending on, e.g., the object handled or the location of the subject. In this paper, we propose to explicitly make use of such context information in an activity recognition model. Our first contribution is a publicly available, semantically annotated motion capturing dataset of subjects performing order picking and packaging activities, where context information is recorded explicitly. The second contribution is an activity recognition model that integrates movement data and context information. We empirically show that by using context information, activity recognition performance increases substantially. Additionally, we analyse which of the pieces of context information is most relevant for activity recognition. The insights provided by this paper can help others to design appropriate sensor set-ups in real warehouses for time management.
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Ispăsoiu, Adrian, Ioan Milosan, Dorin Senchetru, Teodor Machedon-Pisu, Ana Maria Florina Ispăsoiu, and Cristina Meiţă. "Study on the application of the QEC (Quick Exposure Check) on the ergonomic risks assessment in the industrial field." MATEC Web of Conferences 343 (2021): 10023. http://dx.doi.org/10.1051/matecconf/202134310023.
Abstract:
In Romania there are approximately 200,000 employees in the automotive industry, ranking 4th in the EU, after Germany, France and Poland. Many workers in these industries complain of musculoskeletal disorders caused by the high pace of work, awkward positions, handling of masses, etc., often being cumulated. It is therefore essential that these risks related to ergonomics are correctly identified, assessed and treated. The Quick Exposure Check (QEC) is an advanced exposure assessment method that combines observational assessment and self-reporting. This paper presents an applied study of the QEC methodology, a technique based on questions that will be answered by both the observer and the evaluated worker. The research analysed the activity of manually transferring metal parts (components from the automotive industry) from a trolley on a conveyor belt for processing and, vice versa, taking the processed parts from a conveyor belt and placing them on a trolley, because these activities generate many risks to workers’ health. Analysing the results of the evaluation of the ergonomic risks generated by incorrect and / or awkward positions during the activities, using the QEC method, it is found that there are some areas of the body that are much affected during these activities.
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Ramdhani, Ramdhani, and Excellent Demolka Peranginangin. "ERGONOMIC ANALYSIS OF TRANSMISSION OVERHAUL PRACTICES WITH THE RULA METHOD IN THE DEPARTMENT MECHANICAL ENGINEERING EDUCATION." Journal of Mechanical Engineering Education 9, no. 2 (December 12, 2022): 101–10. http://dx.doi.org/10.17509/jmee.v9i2.52829.
Abstract:
This research was conducted to determine the work posture and the level of ergonomics risk in the transmission overhaul practice activity which later resulted in recommendations for designing ergonomic practical tools based on anthropometry of students from the Department of Mechanical Engineering Education UPI. Descriptive method through a cross-sectoral approach is used to answer the objectives of this study. Instruments such as anthropometric questionnaires regarding the dimensions of student body measurements include data on upright height, length of arm span to the side, and length of arm forward. The Rapid Upper Limb Assessment (RULA) questionnaire was also used for ergonomic risk level data requirements. The data that has been obtained is then processed by means of a data uniformity test, data adequacy test, and percentile calculation to determine 3 students who represent body size at the 5th, 50th, and 95th percentiles and continue to practice transmission overhaul which will be observed through a questionnaire. The results of data processing in this study explained that students' unusual work postures such as the neck upturned, legs bent, and the position of the hands reaching upwards for a long enough duration to cause aches and pains after the practice was over. This is evidenced by the acquisition of an overall score of 7 which means it is necessary to investigate and make changes to the process as well as the tools used in the transmission overhaul practice.