Artykuły w czasopismach na temat „Spee Club”
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Pincott, D., i A. S. Blicblau. "High Speed Golf Ball Impact on a Substrate". Applied Mechanics and Materials 440 (październik 2013): 314–19. http://dx.doi.org/10.4028/www.scientific.net/amm.440.314.
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This project aims to investigate the effect impacting a high speed golf ball on TiN coated metal plate, a simulated golf club head. It was found that the surface coating caused greater deformation of the golf ball. It can be said that a club with this coating will absorb less energy from the impact. The result of this is that the energy will that was not absorbed by the club threw deformation will remain in the golf ball. This extra energy will be transformed into two forms of kinetic energy. The other will be used up by the forces acting on the ball during flight. This research is important as large golf club and golf ball companies have great interest and motivation to further their understanding of new ways to improve their golf clubs.
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Harper, T. E., J. R. Roberts i R. Jones. "Driver swingweighting: A worthwhile process?" Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture 219, nr 5 (1.05.2005): 385–93. http://dx.doi.org/10.1243/095440505x32247.
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The concept that golf clubs should have a uniform weight distribution means that manufacturers invest significant time and money tailoring the swingweight of their clubs. If golfers are unable to perceive significant changes in swingweight, however, and the effect of swingweight on club performance is small, the current manufacturing tolerances on swingweight can be widened, allowing time and cost savings in the assembly process. Testing was conducted using 30 skilled golfers each performing ten tee-shots with four differently weighted drivers. Clubhead mass was varied using screwed inserts of different known masses and the effects on impact location and clubhead speed were both measured. Changes to golf club weight distribution, measured using the swingweight concept, were found to have little effect on player performance and, in general, golfers were unable to perceive small changes in club swingweight. Manufacturing tolerances for component masses appear to offer sufficient control over golf club weight distribution, suggesting that mass balancing procedures may be relaxed during club assembly to provide production time and cost savings.
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Gryc, Tomáš, Jitka Marenčáková, Matěj Brožka i František Zahálka. "GOLF SWING VARIABILITY IN ELITE FEMALE JUNIOR GOLFERS". Lékař a technika - Clinician and Technology 49, nr 3 (19.03.2020): 87–91. http://dx.doi.org/10.14311/ctj.2019.3.03.
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The aim of the study was to determine the variability of golf swing execution in lower and upper body parameters for two golf clubs. Eleven elite female golfers of junior age volunteered in the study and performed 10 trials with mid-iron and with driver at laboratory conditions. A 3D motion capture system was used to measure the lower and upper body movement parameters and club head speed. To assess variability, the coefficient of variation (CV%) and biological coefficient of variation (BCV%) were calculated. Two-tailed t test was used to identify differences between mid-iron and driver variability for each selected kinematic parameter. Any significant difference in variability of kinematics parameters was found between mid-iron club and driver club. However, for both clubs, we found high stability of performance in timing parameters and of lower limbs kinematic parameters at three selected moments of the golf swing. We conclude that timing stability may be the key to achieve the effective and repeatable golf swing in both golf clubs types and that high intra-individual variability of performance may be due to large age range in the study group.
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Mahmuddin i Lutfia Novtriana Pasaribu. "Different Effects of Bench Dip and Wheelbarrow Training on Swimming Speed in 25 Meters Freestyle KU IV Gading Swimming Club in 2022". Kinestetik : Jurnal Ilmiah Pendidikan Jasmani 7, nr 2 (25.06.2023): 380–85. http://dx.doi.org/10.33369/jk.v7i2.27329.
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The purpose of this study was to determine the significant effect of the bench dip exercise on the swimming speed of the 25 meter freestyle KU IV Gading Swimming Club in 2022, to determine the significant effect of the Wheelbarrow exercise on the swimming speed of the 25 meter freestyle KU IV Gading Swimming Club in 2022 , and to find out how much difference the bench dip and wheelbarrow exercises have to the swimming speed of the 25 meter freestyle at KU IV Gading Swimming Club in 2022. The research was conducted at the swimming club Gading Swimming Club. In the swimming pool of Villa Gading Mas, the Villa Gading Mas complex, Jl Bajak II, Harjosari II Village, Medan Amplas District. This research will be carried out for 6 weeks and will take place from 09 January 2023 to 17 February 2023. The number of samples in this study amounted to 10 people. This research is a type of experimental research. Research instrument to collect data with a 25 meter swimming speed test. The conclusion of the results of the first hypothesis analysis from the pre-test data and post-test data is that there is a significant effect of Bench Dip training on the 25-meter freestyle swimming speed of KU IV Gading Swimming Club athletes in 2022. In the results of the second hypothesis analysis there is a significant effect on Wheelbarrow exercise on the 25-meter freestyle swimming speed of KU IV Gading Swimming Club athletes in 2022. Furthermore, the results of the third hypothesis analysis show that the Bench Dip exercise has no significantly greater effect than the Wheelbarrow exercise on increasing the 25-meter freestyle swimming speed of KU IV Gading Swimming athletes. Clubs of the Year 2022.
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Sereda, N. V., i D. V. Sanina. "Features of application of digital-marketing tools in the activiyies of fitness clubs in current crisis conditions". Scientific Journal of National Pedagogical Dragomanov University. Series 15. Scientific and pedagogical problems of physical culture (physical culture and sports), nr 5(164) (12.05.2023): 124–27. http://dx.doi.org/10.31392/npu-nc.series15.2023.5(164).27.
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The article presents the results of the conducted research on the determination of the features of the use of digital marketing tools in the activity of fitness clubs in modern crisis conditions. The reasons for which it is possible to significantly increase the number of consumers of physical culture and sports services in fitness clubs are revealed, taking into account the current crisis conditions and the variability of the macro environment. A description of the features of the application of the web-analysis toolkit of the activity of fitness clubs on the Internet is provided. The relevance and expediency of using digital marketing tools in the activity of fitness clubs, taking into account the change in the macro environment, was established. It was determined that only 34.3% of fitness club employees use periodic advertising on the Internet and 47.6% are active in social networks. The results of the study determined the technological parameters of consumer interaction with the web resource of the fitness club, namely: adaptation for mobile phones, page loading speed, convenience in searching for relevant information.
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Young, Warren, Andrew Russell, Peter Burge, Alex Clarke, Stuart Cormack i Glenn Stewart. "The Use of Sprint Tests for Assessment of Speed Qualities of Elite Australian Rules Footballers". International Journal of Sports Physiology and Performance 3, nr 2 (czerwiec 2008): 199–206. http://dx.doi.org/10.1123/ijspp.3.2.199.
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Purpose:The purpose of this study was to determine the relationships between split times within sprint tests over 30 m and 40 m in elite Australian Rules footballers.Methods:Data were analyzed from two Australian Football League (AFL) clubs. The first club (n = 35) conducted a 40-m sprint test and recorded split times at 10 m and 20 m. The second club (n = 30) conducted a 30-m sprint test and recorded splits at 10 m and 20 m. Analyses included calculation of Pearson correlations and common variances between all the split times as well as “flying” times (20–40 m for the first club and 20 to 30 m for the second club).Results:There was a high correlation (r = 0.94) between 10-m time and 20-m time within each club, indicating these measures assessed very similar speed qualities. The correlations between 10-m time and times to 30 m and 40 m decreased, but still produced common variances of 79% and 66% respectively. However when the “flying” times (20–40 m and 20–30 m) were correlated to 10-m time, the common variances decreased substantially to 25% and 42% respectively, indicating uniqueness.Conclusions:It was concluded that 10-m time is a good refection of acceleration capabilities and either 20 to 40 m in a 40-m sprint test or 20 to 30 m in a 30-m sprint test can be used to estimate maximum speed capabilities. It was suggested that sprint tests over 30 m or 40 m can be conducted indoors to provide useful information about independent speed qualities in athletes.
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Zhang, Xiaoyu, i Junhee Hong. "Analysis on the Present Situation of Golf Vocational Training in China". East Asian Trade Association 4, nr 1 (30.06.2022): 47–53. http://dx.doi.org/10.47510/jeat.2022.4.1.47.
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Purpose – Golf started on September 30th, 1982, when Zhang Junlin registered and established Shenzhen Golf Club Co., Ltd. in Shenzhen Municipal Market Supervision Administration. In September of the same year, it was approved by Shenzhen Municipal People’s Government. The establishment of the first established golf club in China also marks the official entry of modern golf into the Chinese market. In 1997, Shenzhen University established the first golf major in China, and now there are nearly 600 golf courses in China. China’s golf industry is still developing at a high speed despite policy restrictions. However, there are still some deficiencies in golf vocational training in China. Through the analysis of the shortcomings, the reasonable development direction is put forward.
Design/Methodology/Approach – With the development of golf industry, supporting education has also been carried out in China. Since Shenzhen University, many colleges and universities have also carried out related majors. Golf industry is not limited to golf, but also includes lawn planting, garden art, fashion design, sporting goods manufacturing, hotel management, real estate development, golf education and training, etc., which makes the golf industry bring a variety of jobs and personnel needs. It also makes golf clubs pay more attention to talent cultivation. In this paper, the problems existing in the training of golf talents in clubs and universities are listed and analyzed by means of investigation, to find out the appropriate direction.
Findings – Children are an important member of golf club staff. How to carry out good caddy training and improve caddy’s professional level and comprehensive quality has become the task focus of golf club managers. At present, the common problems of golf caddies in China are: 1. There is no uniform training standard, which makes the quality of caddies uneven. 2. The income of caddies is unstable. 3. Most of the temporary employment relationships between caddies and clubs. 4. Caddy talent reserve can’t meet the needs of club staff. 5. Caddy occupation requires physical condition, and it is difficult to transform after unemployment.
Research Implications – A good teaching foundation is an important way to cultivate talents, and only the mutual communication between clubs and colleges can help improve the ability of golf vocational training in China.
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Li, Weidong, Xuefang Wang i Olli-Pekka Hilmola. "Does High-Speed Railway Influence Convergence of Urban-Rural Income Gap in China?" Sustainability 12, nr 10 (21.05.2020): 4236. http://dx.doi.org/10.3390/su12104236.
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Transportation is an important factor affecting the balance of regional economic pattern. The construction of high-speed railway enhances the mobility of population, capital, technology and information resources between urban and rural areas. Will it further affect the income gap between urban and rural areas? Based on the nonlinear time-varying factor model, this paper analyzes the convergence of urban-rural income gap with the angle of high-speed railway. After rejecting the assumption of overall convergence in the traditional four economic regions, three convergence clubs of urban-rural income gap were found. For these ordered logit regression model is used to explore the initial factors that may affect the formation of “convergence club”. Empirical results show that the construction of High-speed railway has effectively narrows the urban-rural income gap in China, but it is not the cause of the formation of the three convergence clubs. The convergence effect of High-speed railway on the urban-rural income gap in China is still relatively weak.
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Ekstrand, Jan, Peter Ueblacker, Wart Van Zoest, Raymond Verheijen, Bruno Vanhecke, Maikel van Wijk i Håkan Bengtsson. "Risk factors for hamstring muscle injury in male elite football: medical expert experience and conclusions from 15 European Champions League clubs". BMJ Open Sport & Exercise Medicine 9, nr 1 (styczeń 2023): e001461. http://dx.doi.org/10.1136/bmjsem-2022-001461.
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ObjectivesTo describe the perceived importance of suggested hamstring injury risk factors according to chief medical officers (CMOs) of European male professional football clubs. A secondary objective was to compare if these perceptions differed between teams with a lower-than-average hamstring injury burden and teams with a higher than average hamstring injury burden.MethodsFirst, CMOs of 15 European professional male football clubs were asked to suggest risk factors for hamstring injury in their club. The perceived importance of the suggested risk factors was then rated by all participants on a 5-graded Likert scale. Participating teams were divided in two groups depending on their hamstring injury burden during the 2019/2020 and 2020/2021 seasons. The LOW group consisted of seven teams that had a lower than average hamstring injury burden. The HIGH group consisted of eight teams that had a higher-than-average hamstring injury burden.ResultsTwenty-one risk factors were suggested. The majority were extrinsic in nature, associated with coaching staff, team or club rather than players themselves. ‘Lack of communication between medical staff and coaching staff’ had the highest average importance (weighted average=3.7) followed by ‘Lack of regular exposure to high-speed football during training sessions’ (weighted average=3.6). The HIGH group perceived the player factors fatigue and wellness as more important than the LOW group.ConclusionAccording to CMOs recruited in this study, most risk factors for hamstring injuries are extrinsic and associated with the club and coaching staff, and not the players themselves.
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Lafuente, Juan Ángel, Amparo Marco, Mercedes Monfort i Javier Ordóñez. "Social Exclusion and Convergence in the EU: An Assessment of the Europe 2020 Strategy". Sustainability 12, nr 5 (29.02.2020): 1843. http://dx.doi.org/10.3390/su12051843.
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Economic convergence has long been a declared objective of the EU and considered the fundamental mechanism for achieving socioeconomic cohesion. The recent economic crisis had an uneven impact across EU countries and brought a halt to the process of economic and social convergence. In response to this situation, the Europe 2020 strategy, launched in 2010, aimed to deliver social and territorial cohesion in the Member States. In this paper we evaluate the poverty and social exclusion pillar of the Europe 2020 strategy by analysing whether it has promoted convergence across the EU countries in the indicators devised to capture risk of poverty, severe material deprivation, and the number of persons living in households with very low work intensity. Our results for all three rates indicate that convergence occurs in heterogeneous clubs that do not follow a geographic east‒west or south‒north pattern. Convergence within each club, especially for the severe deprivation rate, takes place by means of a catching-up process, with Eastern European levels converging on the Western levels. Finally, not only is there club convergence, but there is no tendency for the clubs to convergence. Poverty and social cohesion indicators show a multi-speed Europe, casting doubt on the sustainability of the overall convergence process in the EU.
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Nurhandhika, Kuswandono, i Aris Mulyono. "Survei Keterampilan Teknik Dasar Dan Kondisi Fisik Pada Tim Bolabasket Putra Kelompok Usia 16 Tahun Klub Semangat Muda Grobogan 2020". Indonesian Journal for Physical Education and Sport 2, nr 2 (24.12.2021): 488–96. http://dx.doi.org/10.15294/inapes.v2i2.45695.
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Kuswandono Nurhandhika. 2021. Basic Engineering Skills and Physical Condition Survey on Men's Basketball Team 16-Year Age Group Grobogan Youth Spirit Club 2020. Physical Education Thesis Health And Recreation State University of Semarang. Aris Mulyono S. Pd., M. Pd.
Keywords : skill, technique, physical, basketball
The development of basketball achievement in Grobogan is relatively good when viewed from basketball championships between schools and other clubs, such as junior and high school regional sports week and regional championships. In this study, researchers were interested to know: 1) basic skill level of dribbling, passing, and shooting techniques in men's basketball athletes KU 16 youth spirit club grobogan 2) physical condition in men's basketball athletes KU 16 youth spirit club grobogan.
` The research method uses quantitative descriptors with subjects of ku16 men's basketball athletes of the 2020 youth spirit club with survey methods test and measurement techniques to collect data.
Based on the results of the study known 1) the results of basic technique skills passing averaged a score of 23.67, the results of basic dribbling techniques obtained an average score of 23.30, that the results of basic shooting technique skills obtained an average score of 15.63. 2) The result of basic speed engineering skills (sprint 60m) obtained an average score of 3.33, the result of basic technique skills arm muscle strength (pull up) average obtained a score of 3.30. the result of physical condition skills abdominal muscle strength (sit up) averaged a score of 4.47. technical skills physical condition of limb muscle strength (vertical jump) obtained a score of 2.70. aerobic endurance physical condition skills results (medium distance running 1200m) averaged a score of 3.17. Advice for young spirit club athletes grobogan to continue to improve training both within the club and increase the hours of training outside the existing training schedule of the youth spirit club grobogan.
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Radchenko, Оleksandr, Alexander Shvai, Vadym Smoliuk i Vitaliy Dmitruk. "Historical aspects of floorball development in Ukraine and Volyn". Sports games 3(25), nr 3(25) (1.06.2022): 130–38. http://dx.doi.org/10.15391/si.2022-2.12.
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The article comprise issues related to the development of floorball in Ukraine and Volyn. The purpose of the study: to investigate the historical aspects of floorball development in Ukraine and Volyn. Materials and methods of research. The study was conducted by a group of teachers of Lesya Ukrainka Volyn National University and Lutsk National Technical University from September 2021 to March 2022. Theoretical analysis and generalization of scientific and methodological data have been used. Results of the research. Floorball has been developing in Ukraine since the 2000s. The first efforts to create the floorball federation dates back to 2005. Public Association "Ukrainian Floorball Federation" was established on October 22, 2016. The federation is based on the club system. The UFF consists of 33 clubs. UFF is a member of the International Floorball Federation. The beginning of floorball development in Volyn is connected with the formation of the Wild-West team which was set up in schools 25, Lutsk. It was not the first team in the city , since previously there was a floorball club in 2008 that was based on the youth organization YMCA. This team hasn’t existed for a long time due to the lack of motivaion and development. Thanks to the hard work of Wild-West team leaders and responsible attitude, they have become a club that has grown and developed , namely functions properly to this day Conclusions. Floorball in Ukraine has demonstrated a high speed of popularization and systemic development. The democratic management scheme has added life to the UFF, and pointed to the real influence of clubs on the development of floorball in Ukraine. At various stages, there are problems that hinder the speed of development of this type of game, but usually the problems are not critical or unresolved. These are the things that will definitely make floorball in Ukraine and Volyn a stronger sport and over time they will have a positive impact on the development of floorball in the world.
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Ginting, Intan Rizka, Harwanto Harwanto i Lukmanul Hakim. "Model Permainan Air “Swimming Couple With Pull Buoy” Untuk Meningkatkan Kecepatan Renang Gaya Bebas". MENDIDIK: Jurnal Kajian Pendidikan dan Pengajaran 6, nr 2 (1.10.2020): 146–51. http://dx.doi.org/10.30653/003.202062.135.
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Swimming Couple With Pull Buoy is a new model of water games at one of the water clubs in Mojokerto Orcanala. The purpose of this study was to develop a swimming partner with a pull buoy and to describe the effectiveness of the water swimming couple game model with the pull buoy in increasing the speed of freestyle swimming. This research is a development research. The subject is Club Orcanala Aquatic Mojokerto. The methods used were questionnaires and tests. The instruments used were the learning model validation questionnaire, response questionnaire, and performance test. The results showed that the swimming pair with the pull buoy was valid according to the validation results, positive user responses, and the water swimming couple game model with the pull buoy was effective in increasing the speed of the freestyle swimming
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Izumoto, Yoka, Toshiyuki Kurihara, Sumiaki Maeo, Takashi Sugiyama, Hiroaki Kanehisa i Tadao Isaka. "Relationship between Trunk Muscularity and Club Head Speed in Male Golfers". International Journal of Sports Medicine 41, nr 06 (11.02.2020): 419–23. http://dx.doi.org/10.1055/a-1087-2332.
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AbstractThis study examined how the volume of trunk muscles and its bilateral asymmetry are related to club head speed in golfers. Fourteen right-handed male golfers performed five driver shots, and the club head speed for each trial was calculated from a three-dimensional reflective marker position of the club head immediately before impact. The volume of each side of the rectus abdominis, erector spinae, psoas major, quadratus lumborum, lateral abdominal wall muscle, and multifidus was determined using magnetic resonance imaging. For each muscle, the ratio of the larger to smaller side in muscle volume was calculated to assess bilateral asymmetry. The club head speed correlated positively with the volume of each side of the rectus abdominis and erector spinae, left quadratus lumborum, and the asymmetric ratio of the psoas major (r=0.595–0.747), but negatively with the asymmetric ratio of the quadratus lumborum (r=−0.641). Multiple regression analysis revealed that the right erector spinae volume and the asymmetric ratio of the psoas major were significant contributors for the club head speed (R2=0.797). These results indicate that the variation in the club head speed can be strongly explained by the absolute volume and bilateral asymmetry of specific trunk muscles.
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Halimah, Andi, Muhammad Gibran Tabara i Anshar Anshar. "BEDA PENGARUH PEMBERIAN LATIHAN KNEE TUCK JUMP DENGAN SKIPPING TERHADAP PERUBAHAN DAYA LEDAK OTOT TUNGKAI PEMAIN BOLA BASKET DI CLUB FURRY BALL MAKASSAR". Media Fisioterapi Politeknik Kesehatan Makassar 13, nr 1 (9.01.2023): 54. http://dx.doi.org/10.32382/mf.v13i1.3179.
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Background: Explosive power or power is a combination of two biomotoric elements, namely speed and strength combined to produce power. To increase power, the training provided must pay attention to the elements of speed and strength in order to get maximum results.Methods: This study was a quasi-experimental study using a two-group pre test and post test design, aiming to determine the difference in the effect of knee tuck jump training and skipping on changes in leg muscle explosive power of basketball players at furry ball clubs Makassar. This research was conducted at the Makassar furry ball club with a sample of 12 people who fit the inclusion criteria, divided randomly into 2 groups, namely the treatment group 1 which was given knee tuck jump training and the treatment group 2 which was given skipping practice. The measuring tool used is the vertical jump test.Results: Based on the Wilcoxon test analysis in treatment group 1 and treatment group 2, a value of (.028) was obtained (.028) p <0.05, which means that there was a significant effect in treatment group 1 and treatment group 2 on increasing the explosive power of the limb muscles of basketball players in the club Makassar furry ball. The results of the Mann-Whitney test obtained a value of (.179) p> 0.05 which means that there was no significant difference between the two sample groups, but seen from the mean value it showed that the knee tuck jump exercise resulted in an increase in muscle explosive power that was greater than skipping exercise.Conclusion: It can be concluded that there is no significant difference in effect between giving knee tuck jump training and skipping to changes in leg muscle explosive power in basketball players at the Makassar furry ball club. Keywords: Muscle explosive power, Knee Tuck Jump, Skipping, Vertical Jump Test
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Marhadi, Marhadi. "The Influence of Lunges and Rubber Load Exercises on Ap Chagi Kick Speed in UNTAD Taekwondo Club (UTC) Athletes". International Journal of Research in Education 3, nr 2 (27.07.2023): 220–29. http://dx.doi.org/10.26877/ijre.v3i2.15259.
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The purpose of this study was to determine whether there was an effect of lunges training and rubber loads on Ap Chagi kick speed in UNTAD Taekwondo Club athletes who were the samples in this study. The method used in this research is an experimental method with a two-group pretest-posttest design. The research location is in the Mayor's Field. The population of this study was 20 athletes, so that the sampling was carried out using total sampling technique. Based on the calculation results, I found that: (1) There is an effect of Lunges training on Ap Chagi Kick Speed in UNTAD Taekwondo Club Athletes. With a t count value of 7,359 > t table of 2,262 (2) There is an effect of Rubber Load training on Ap Chagi Kick Speed in UNTAD Taekwondo Club Athletes with a t count value of 9,000 > t table of 2.262 (3) there is a difference in the effect of Lunges Exercise and Rubber Load on Ap Chagi Kick Speed in UNTAD Taekwondo Club Athletes. Evidenced by the increase between the pre-test and post-test Lunges is 3.520 with a mean deviation of 0.3300. While the Rubber Load obtained an increase between the pre-test and post-test was 3.800 with a mean deviation of 0.3000. Conclusion 1). There is an effect of Lunges training on Ap Chagi kick speed in UNTAD Taekwondo Club athletes with an increase of 3.4% 2). Rubber load on Ap Chagi kick speed on UNTAD Taekwondo Club athletes with an increase percentage of 3.5%. 3). There is a difference between lunges and rubber weights on the speed of Ap Chagi kicks in UNTAD Taekwondo Club athletes by 0.1%).
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Wijaya, M. Riski Adi, Deny Pradana Saputro i Alfira Nuril Aissya. "Profile Sabit Kick Speed Profile and General Speed of Pencak Silat Club Achievement". JUARA : Jurnal Olahraga 7, nr 1 (6.11.2021): 25–38. http://dx.doi.org/10.33222/juara.v7i2.1370.
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This research aims to describe the general speed profile and the specific speed of the athletes of the achievement Pencak silat club (PSP). The method used in this study is a non-experimental quantitative method with a quantitative descriptive approach. The sample of this study amounted to 20 athletes of Pencak silat achievement Pencak silat club (PSP). The data collection technique in this study uses a Pencak silat parameter test (Lubis, J & Wardoyo, 2016), a general speed test using a running speed test as far as 20 meters, while a particular speed test using a sabit kick speed test for 10 seconds. The data processing technique uses a percentage for each classification with a formula (Anas Sudijono, n.d.). This study found results with a rate of 5% of achievement Pencak silat club athletes have the excellent classification, and 95% have a little variety in available speed through a 20-meter running speed test. In comparison, a remarkable speed 10% have the perfect classification, and 90% have good classification through tests Sabit kick speed for 10 seconds. The researcher concludes that the physical component of velocity is a crucial component to be improved in supporting achievement, both speed in general and speed specifically according to the needs of the sport of Pencak silat.
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Wijaya, M. Riski Adi, Deny Pradana Saputro i Alfira Nuril Aissya. "Profile Sabit Kick Speed Profile and General Speed of Pencak Silat Club Achievement". JUARA : Jurnal Olahraga 7, nr 1 (6.11.2021): 25–38. http://dx.doi.org/10.33222/juara.v7i1.1370.
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This research aims to describe the general speed profile and the specific speed of the athletes of the achievement Pencak silat club (PSP). The method used in this study is a non-experimental quantitative method with a quantitative descriptive approach. The sample of this study amounted to 20 athletes of Pencak silat achievement Pencak silat club (PSP). The data collection technique in this study uses a Pencak silat parameter test (Lubis, J & Wardoyo, 2016), a general speed test using a running speed test as far as 20 meters, while a particular speed test using a sabit kick speed test for 10 seconds. The data processing technique uses a percentage for each classification with a formula (Anas Sudijono, n.d.). This study found results with a rate of 5% of achievement Pencak silat club athletes have the excellent classification, and 95% have a little variety in available speed through a 20-meter running speed test. In comparison, a remarkable speed 10% have the perfect classification, and 90% have good classification through tests Sabit kick speed for 10 seconds. The researcher concludes that the physical component of velocity is a crucial component to be improved in supporting achievement, both speed in general and speed specifically according to the needs of the sport of Pencak silat.
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Jangam, Bhushan Praveen, Pradipta Kumar Sahoo i Vaseem Akram. "Convergence in electricity consumption across Indian states: a disaggregated analysis". International Journal of Energy Sector Management 14, nr 3 (18.11.2019): 624–37. http://dx.doi.org/10.1108/ijesm-03-2019-0009.
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Purpose The purpose of this study is to examine whether the electricity consumption patterns across Indian states do converge. Design/methodology/approach This study considers 18 Indian states spanning over the period 1970-1971 and 2014-2015, using the recently developed Phillips and Sul panel convergence technique that accounts the multiple steady states. Findings The results provide the following insights. First, the authors find evidence of convergence in electricity consumption among all Indian states. This suggests that electricity consumption patterns for Indian states are converging to a common steady state. Second, to provide broader insights, we further investigate the convergence in electricity consumption among user groups such as agriculture, industry, commercial, domestic and miscellaneous. The results reveal that commercial, domestic and miscellaneous groups are also converging. Third, the non-convergence patterns in agriculture and industry enable us to investigate the possibility of clubs or the multiple common steady states. The results indicate the occurrence of three clubs in case of agriculture and two clubs in case of the industry. Fourth, this study also inspects the relative speed of convergence among the user groups. The results reveal the higher speed of convergence in case of the domestic user group. Practical implications The findings enable policymakers to formulate an appropriate energy policy to accommodate the future electricity demand across Indian states and prioritize low electricity consumption states so that they receive a greater share. Originality/value This is the first study that examines the convergence in electricity consumption across Indian states at aggregate and user groups using a new panel club convergence technique.
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Wardhani, Rio, i Stephani Yane. "The Influence of Leg Muscle Exercises on the Taekwondo Kick Speed Technique of Dollyo Chagi at the Pontianak City NTC Club". INSPIREE: Indonesian Sport Innovation Review 4, nr 01 (1.12.2022): 01–07. http://dx.doi.org/10.53905/inspiree.v4i01.107.
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The purpose of the study. (1) this study aims to determine the effect of leg muscle training on the speed of the kick taekwondo dollyo chagi in NTC Club Pontianak city; (2) this study aims to determine the increase in the speed of the kick taekwondo dollyo chagi in NTC Club Pontianak city after given leg muscle training
Materials and methods. The type used in this study is the type of quantitative research. This study is a way to measure the effect of leg muscle training using a test drill on the speed of the taekwondo dollyo chagi kick at the NTC Club Pontianak city, with a population of 8 male athletes in the junior class category. Samples used that have characteristics of male sex aged 15-17 years who are still actively training at the NTC Club Pontianak city with total sampling technique. Data collection techniques in the form of measurements and using a tool in the form of a Taekwondo Kick speed test dollyo chagi. The study was conducted for two months.
Results. Based on the hypothesis of the effect of leg muscle training on the speed of taekwondo dollyo chagi kicks obtained a significant value of 0.2127 > 0.05 then H0 is accepted.
Conclusions. (1) There is an effect of leg muscle strength training through drill exercises for each athlete on the speed of the dollyo chagi taekwondo kick at the NTC Club, Pontianak City; (2) There is an effect of muscle strength through drill exercises on each athlete on the speed of kicking taekwondo dollyo chagi at the NTC Club, Pontianak City.
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Nufer, Gerd. "“Say hello to Halo”: the halo effect in sports". Innovative Marketing 15, nr 3 (30.09.2019): 116–29. http://dx.doi.org/10.21511/im.15(3).2019.09.
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In daily life, people tend to use mental shortcuts to simplify and speed up their decision-making processes. A halo effect exists if the impression created by a dominant attribute influences how other attributes of an object or subject are judged. It involves a cognitive bias that leads to distorted assessments. However, the halo effect has barely been researched in a sports-related context, although it can substantially contribute to understanding how sport fans think and behave. The objective of this paper is to answer the question that is of interest for both theory and practice of sports marketing: Is there a halo effect in sports? Does the sporting success or failure of a professional soccer team radiate or even outshine other sports-related and non-sports aspects and influence or distort how the club is perceived by its fans? Fans of six soccer clubs selected from the first German soccer league Bundesliga were interviewed. This paper presents the results of an empirical study based on a data set consisting of a total of 4,180 cases. The results of the analyses substantiate the distortion of the fans’ perception with regard to a very diverse range of aspects that is triggered by the sporting success or failure of their favorite club.
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Syafrial, Syafrial, Tono Sugihartono, Ari Sutisyana, Arwin Arwin, Andes Permadi, Oddie Barnanda Rizky i Iqbal Kurniawan. "The Effect of Training using Hand Paddles on the Speed of Freestyle Swimming in Beginners at the USC Club". Kinestetik : Jurnal Ilmiah Pendidikan Jasmani 7, nr 4 (31.12.2023): 1198–2005. http://dx.doi.org/10.33369/jk.v7i4.28533.
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This study aims to determine the effect of hand paddle training on freestyle swimming speed for beginners at the USC Club. This research is a quasi-experimental research, in this experimental research, the sample used was 20 people who were novice athletes in the USC club. The instrument used in this study was the 25 meter freestyle swimming test. Based on the results of research and discussion, it concludes that the effect of using a hand paddle on the speed of freestyle swimming for beginners in the club states that the final test with tcount 3.905 from the results of the t test, the test results tcount > ttable with a significant level = 0.05 with a value of ttable 1.734 means that there is a significant effect between training using hand paddles on the speed of freestyle swimming in beginner athletes at the USC club.
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Gryc, Tomáš, František Zahálka i Tomáš Malý. "Rotace horní části těla při golfovém švihu u elitních hráčů". Studia sportiva 7, nr 1 (1.07.2013): 35–42. http://dx.doi.org/10.5817/sts2013-1-4.
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When the golf swing is involving all body segments and is thus considered as one of the most complex of sports motions. The aim of this study was to determine the selected kinematic parameters of movement of pelvic and segments of the upper body (shoulder rotation, hip rotation, X-Factor, stretch X-Factor) that affect the club head speed at ball contact in elite golfers. To build the upper body segment model were used spots and their position during the measurement was scanned by 3D kinematic analyzer CODA Motion System. To determine the interindividual stability of performance the coefficient of variation was used and for statistical analysis of the relationship between kinematic and temporal parameters and the club head speed at ball contact the Pearson's correlation coefficient was used. We found a high interindividual stability in maximized shoulders rotation and club head speed at ball contact parameters. When analyzing relationship between the club head speed at ball contact and the observed kinematic parameters of the movement of the upper body only a high relationship with the stretch X-factor parameter was found.
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Jarnig, Gerald, Reinhold Kerbl i Mireille N. M. van Poppel. "Change in BMI and Fitness among Primary School Children in Austria: A 24-Month Follow-Up Study of 303 Children Measured before and during the Ongoing COVID-19 Pandemic". Sports 10, nr 5 (19.05.2022): 78. http://dx.doi.org/10.3390/sports10050078.
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The ongoing COVID-19 pandemic not only impacted the health of school children directly through SARS-CoV-2 infections, but the associated closures of schools and sports facilities also resulted in long-term negative side effects. The aim of this study was to investigate the effects of COVID-19-related mitigation measures on the health and fitness status of primary school children in Austria. A total of 303 primary school children participated in the longitudinal study. Data on height, weight, and fitness were collected before the COVID-19 pandemic (September 2019) and at one-year intervals (September 2020 and September 2021) during the course of the pandemic. In the first year, from September 2019 to September 2020, there were alarming increases in body mass index (BMI) standard deviation scores (SDSs) (from 0.32 to 0.49) and dramatic decreases in both cardiorespiratory endurance (CRE) (from 0.49 to −0.43) and action speed (from −0.31 to −0.64). In the second year (September 2020 to September 2021), the BMI scores stabilized, and improvements in CRE were observed, especially in the subgroup of children who were members of sports clubs. In the future, more initiatives and projects, in addition to sports club activities, should be started and expanded, particularly in schools, to specifically counteract the observed health damage and, thus, have a positive effect on the development of all children, especially those without sports club membership.
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Gonzalez Garcia, Miguel. "Relaciones entre periodistas y gabinetes de comunicación de los clubes de fútbol en España". Relaciones Públicas diversas / Diverse Public Relations 12, nr 23 (8.07.2022): 207–24. http://dx.doi.org/10.5783/rirp-23-2022-11-207-224.
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Football clubs in Spain, mainly the First and Second Division ones, have experienced a few changes regarding the forms of communication in the last ten or fifteen years. The communication offices are so professionalized areas that they carry out an intense informative activity, using all the channels at their disposal to get the message to all their audiences, including the media. This study will give a specific vision regarding how these departments behave with news reporters that usually give out information about these clubs; what assets they have, what inconveniences are there, what can they do when they are broadcasting information on a football match, or a training session. In addition, the role of social media will be examined, both the club as a whole and the individual players’. For this, the in-depth interview technique has been used, taking the pulse of eighteen journalists who daily cover the information of the main soccer clubs that are the object of this investigation. The results show that clubs, and therefore the communication departments, do not need the journalist to inform, as the informers have had to develop new habits and, the greater the importance of the entity, the greater are the inconveniences regarding the developing of its informative duty. The way of this research has been more complex than expected. Not all journalists have been open to carry out this work, for this reason the time for its development has been longer than expected. It can be noted that at least one journalist who has been interviewed works in cover the work of the main soccer teams in Spain, most of them in the First Division and others historical at the moment play in the Second Division. Those who have seen fit to ask the interview for the investigation were predisposed from the first moment, even offering to provide data and comments on the differences that exist between their first years of work as journalists of these clubs to current days. They find more difficulties than facilities, which prevent them from carrying out their work as journalists. One of the most important details during the conversations has been the speed with which they have had to adapt to the new demands, having to be up-to-date as far as social networks are concerned. These tools are essential to be able to be informed, in many cases, of what footballers do or say when they do not want to attend to the media, either due to the demands of the club or the player, who is reluctant to answer the questions from journalists. Applications such as Twitter or Instagram have become the best allies for journalists to reach the news on more than one occasion, considering themselves as a primary source. Thequestion is different nowadays because these football players' messages can be read at the same time for the followers. Another surprising aspect of the investigation is the different way some clubs treat journalists. There are remarkable differences between the so-called ‘big clubs’ with the rest of them. There are clubs that prohibit the access to team training sessions or that open the possibility that fans can see how some squads work.
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Maulidi, Muh Zainul, Muhammad Yusuf i Fadli Zainuddin. "Pengaruh Latihan Passing Squence (Look For Position) dan Latihan Passing Squence (Speed Dribbling) Terhadap Kemampuan Passing Pemain Sepak Bola PS. Mujur Tahun 2023". JUPE : Jurnal Pendidikan Mandala 8, nr 2 (30.06.2023): 664. http://dx.doi.org/10.58258/jupe.v8i2.5594.
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: "The Effect of Passing Sequence Training (Look For Position) and Passing Sequence Training (Speed Dribbling) on the Passing Ability of PS Football Players. Mujur Tahun 2023".PS Mujur is one of the football clubs located in Mujur Village, East Praya District, Central Lombok Regency, West Nusa Tenggara Province, which is one of the many football clubs that actively trains and regularly participates in various tournaments. From the author's previous observations, there are still many problems that must be addressed in the club, one of which attracts the author's attention is the passing ability which still has many passing errors in training and matches. Passing Sequence (Look For Position) training and Passing Sequence (Speed Dribbling) training which aims to improve passing ability. The purpose of the study was to determine the effect of Passing Sequence Training (Look For Position) and Passing Sequence Training (Speed Dribbling) on the Passing Ability of PS Football Players. Mujur Year 2023. The instrument in this study was a passing ability test. From the results of statistical data analysis The count value of X1 football passing test on Passing Sequence (Look For Position) training is 7.2 the value simultaneously between Y and X concludes table analysis at a significant level of 5% with the number of samples (n - 1) which is 9 amounting to 1.833 So it can be concluded that seen from the tcount> table ¬¬ 7.2> 1. 833 and From the results of statistical data analysis X2 thing value of football Shooting test on Passing Sequence Exercise (Speed Dribbling) amounting to 6.7 simultaneous value between Y and X draw conclusions table analysis at a significant level of 5% with the number of samples (n - 1) ie 9 amounting to 1.833 So it can be concluded that judging from t count > t tabel ¬¬ 6.7 > 1.833).
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Skelton, Lucas. "A Black Golfer’s Career Comes Full Circle: The Resiliency of Lee Elder". Spectrum: A Journal on Black Men 10, nr 2 (marzec 2023): 3–26. http://dx.doi.org/10.2979/spe.2023.a903149.
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ABSTRACT: On April 8, 2021, legendary golfer Lee Elder stepped onto the first tee as an honorary starter at the historic Augusta National Golf Club—a club where 45 years prior he became the first Black golfer to integrate the Masters Tournament. As a participant at the 1975 Masters, Elder was the recipient of death threats and was forced to keep security close by for precautionary measures. In 2021, after a storied career, Elder returned to Augusta and was received in a more welcoming fashion. This article explores the career of Elder, including the golfer’s challenging upbringing, transition to the PGA, and participation in the 1975 Masters. Emphasis will be given to Augusta’s rationale to anoint Elder as an honorary starter. The article will also integrate the concept of resiliency to suggest that Elder’s success and ability to play golf through the most trying of racial circumstances is a testament to the golfer’s resiliency.
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Sovensi, Ever, Muhammad Supriyadi i Muhammad Suhdy. "Kondisi Fisik Pemain Bola Voli Klub di Kota Lubuklinggau". Gelanggang Olahraga: Jurnal Pendidikan Jasmani dan Olahraga (JPJO) 2, nr 2 (28.06.2019): 13–25. http://dx.doi.org/10.31539/jpjo.v2i2.697.
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The research objective was to determine the physical condition of Club Caroline volleyball players and Lubuklinggau City Club JVC in 2018. This type of research was descriptive quantitative. The population of this study were male volleyball players Club Caroline and Lubuklinggau City Club JVC with all 45 players, consisting of 25 Club Caroline players and 20 Club JVC players. The sample in this study amounted to 45 players, which were taken using total sampling technique. The results of this study explained that the explosive strength of leg muscles possessed by Caroline club volleyball players averaged 108.23 categorized as Enough, while the average explosive power level the limbs owned by JVC club volleyball players are 115.18 categorized Good. Furthermore, the endurance test results possessed by Carolin club volleyball players an average of 32.6 are categorized sufficient, while the average endurance level possessed by Caroline Club volleyball players is 37.7 categorized as moderate. Conclusion, the explosive strength of limb muscles of the Caroline club volleyball player is categorized enough and the explosive strength of the leg muscles of the JVC club players is categorized as good. The durability of Caroline's club volleyball players is categorized enough and those possessed by JVC Club volleyball players are categorized as being moderate. Furthermore, the speed of Caroline club volleyball players and JVC is good. Whereas the agility of the Caroline club players is categorized as good and the agility of the JVC club volleyball players is categorized as Moderate. Furthermore, the abdominal muscle strength of club volleyball players Caroline and JVC entered the Good category.
Keywords: Physical Condition, Bolavoli
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Kanwar, Kiran D., i Mark D. Mann. "Effects of a golf swing intervention on senior golfers’ ball striking and motivation to play golf". International Journal of Sports Science & Coaching 13, nr 4 (16.04.2018): 607–15. http://dx.doi.org/10.1177/1747954118764179.
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Several golf swing movements have been correlated with the production of club speed in skilled golfers. However, less skilled golfers, such as senior golfers, may not be capable of many of those movements. One golf swing—Minimalist Golf Swing—reduces the downswing range of motion through which a golfer’s body must move to reach the impact positions seen in skilled golfers. The purpose of this study was to assess whether the MGS could improve senior golfers’ ball flight and consistency, and increase their motivation to play golf. Twenty-two seniors (16 males, 6 females), aged 54–81, participated in an 11-session study comprising pretest, intervention, and posttest sessions. During the test sessions, participants hit 20 shots with each of their own 6-iron and driver clubs. Ball movement immediately after impact was measured using a camera-based ball launch monitor. Participants’ motivation to play golf before and after the intervention was assessed using the Sports Motivation Scale II. A mixed effects model was used for the statistical analysis of this repeated measures study, in which participants served as their own controls. Statistically significant per-session results were an increase in the ball’s speed (6-iron and driver) and trajectory (6-iron), and a change in direction (both clubs) from left to slightly right (for right handed golfers). Consistency of ball flight, total motivation and intrinsic motivation increased slightly post-intervention, while amotivation decreased, none significantly. Therefore, some senior golfers can improve ball flight, consistency, and motivation to play golf after six MGS training sessions.
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Van Leeuwen, J. L., i W. M. Kier. "Functional design of tentacles in squid: linking sarcomere ultrastructure to gross morphological dynamics". Philosophical Transactions of the Royal Society of London. Series B: Biological Sciences 352, nr 1353 (29.05.1997): 551–71. http://dx.doi.org/10.1098/rstb.1997.0038.
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This paper offers a quantitative analysis of tentacle extension in squid that integrates several levels of structural organization. The muscular stalks of the two tentacles of squid are rapidly elongated by 70 per cent of resting length during prey capture. A typical duration of the extension is 30 ms in Loligo pealei (with a contracted tentacle length of 93 mm and a strike distance of about 37 mm). In a successful strike, the terminal clubs hit the prey and attach to it via arrays of suckers. A forward dynamics model is proposed for the extension of the tentacular stalk and the forward motion of the terminal club. The stalk is modelled as a longitudinal array of thin muscular discs with extensor muscle fibres oriented parallel to the disc planes. As a disc contracts radially, it lengthens because its volume is constant. The equations of motion for the linked system of discs were formulated and solved numerically. The inputs of the model are the dimensions of the tentacle, passive and active muscle properties such as Hill's force–velocity relationship, myofilament lengths and activation of the muscle fibres. The model predicts the changing geometry of the tentacle, the pressure and stress distribution inside the tentacle and the velocity and kinetic energy distribution of the stalk and club. These predictions are in agreement with kinematic observations from high–speed films of prey capture. The model demonstrates also that the unusually short myosin filaments (reported range 0.5–0.9 micrometre) that characterize the extensor muscles are necessary for the observed extension performance. Myosin filament lengths typical for vertebrate sarcomeres (1.58 micrometre) would lead to a significant reduction in performance. In addition, the model predicts that, to maximize peak velocity of the terminal club, the myosin filaments should be longer at the base and shorter at the tip of the stalk (0.97 micrometre at the base and 0.50 micrometre at the tip for the tentacle size above). This results from differences in dynamic loading along the stalk. Finally, the model allows exploration of the effects of changes in the dimensions and mass of the tentacle and intrinsic speed of the myofilaments on the optimum myosin filament lengths.
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Guimarães, Eduardo, Adam D. G. Baxter-Jones, A. Mark Williams, Fernando Tavares, Manuel A. Janeira i José Maia. "Modelling the dynamics of change in the technical skills of young basketball players: The INEX study". PLOS ONE 16, nr 9 (22.09.2021): e0257767. http://dx.doi.org/10.1371/journal.pone.0257767.
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Although technical skills are a prerequisite for success in basketball, little is known about how they develop over time. In this study, we model the trajectories of technical skill development in young basketball players and investigate the effects of training experience, training volume, body composition, maturity status, physical performance, and club characteristics on skill development. A total of 264 male basketballers from five age-cohorts (11 to 15 years of age) were followed consecutively over three years using a mixed-longitudinal design. Technical skills, training experience and volume, basic anthropometrics, body composition, biological maturation and physical performance were assessed bi-annually. A multilevel hierarchical linear model was used for trajectory analysis. Non-linear trends (p < 0.01) were observed in speed shot shooting, control dribble, defensive movement, slalom sprint, and slalom dribble. Being more experienced and physically fitter had a significant (p < 0.05) positive effect on technical skill development; greater fat-free mass negatively affected skills demanding quick running and rapid changes of direction with or without the ball (p < 0.05). Training volume and biological age did not explain differences in technical skill development (p > 0.05). Moreover, belonging to different clubs had no significant influence on the technical skills trajectories of players. Our findings highlight the important role that individual differences play, over and beyond club structure, in developing skills. Findings improve our understanding on how technical skills develop during adolescence through training, growth, and biological maturation.
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Ichikawa, Daisuke, Akihiko Sakai, Takeru Suzuki, Taiki Miyazawa, Isao Okuda i John Patrick Sheahan. "Case study based on ball trajectory and motion analysis of international long-drive distance golf player". Journal of Human Sport and Exercise 19, nr 3 (26.06.2024): 874–81. http://dx.doi.org/10.55860/8vc6kk74.
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This study aimed to measure the ball trajectory, club face control, and body movements of a long-drive distance golf player (LDP) who excels in international competitions. The participant randomly executed 10 shots of three trajectory types—straight, draw, and fade—using a driver in an indoor facility. The results indicated that the fade shot exhibited a significantly longer ball carry distance (S: 329.7 ± 31.7, D: 301.8 ± 30.6, F: 345.7 ± 18.4 yards). The offline distance also showed a significant increase (S: 3.6 ± 37.3, D: −12.0 ± 26.4, F: 30.8 ± 42.2 yards) for the fade shot. If shots exceeding the 60-yard width of the offline distance resulting in invalid attempts were counted, there were 2 of 10 attempts for straight, 0 of 10 attempts for draw, and 4 of 10 attempts for fade. Analysis of the ball trajectory of draw shots revealed a statistically significant trend towards lower peak height and descent angle. In all three trajectories, there were no significant differences observed in ball speed (S: 189.3±6.3, D: 192.1±5.0, F: 193.3±4.1 mph) and club head speed (S: 137.2 ± 1.6, D: 137.0 ± 1.2, F: 137.7 ± 2.2 mph). For the draw shots, the club path exhibited in-to-out trajectory, moving the club face, and the face angle was open during the ball impact. It is evident that even in golf players aiming for the maximum distance in a single shot, club head speed and grip speed tend to remain relatively constant. The findings indicate that the LDP executes precise movement and face control tailored to the three ball trajectories, demonstrating sophisticated motor control.
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Sinurat, Rodcin Mard, i Imran Akhmad. "Contribution of Double Legs Speed Hops and Pull Down Resistance Bands Training to the 50 Meter Breaststroke Swimming Speed of Male K.U II Athletes at the Medan Aquatic Swimming Club in 2023". Journal of Indonesian Active in Sports 1, nr 1 (24.02.2024): 1. http://dx.doi.org/10.24114/jias.v1i1.51719.
Pełny tekst źródłaStreszczenie:
This research is an experimental study whose aim is to determine the contribution of Double Legs Speed Hops and Pull Down Resistance Bands training to the 50 Meter Breaststroke Swimming Speed of Male K.U II Athletes at the Medan Aquatic Swimming Club in 2023. The population of swimming athletes at the Aquatic Swimming Club totaling 20 people, using purposive sampling technique a sample of 8 people was obtained. The research was conducted for 6 weeks, 18 meetings and 3 times a week. Before testing the hypothesis, a prerequisite Normality test was carried out using the Lilifors test so that the three variables were normal and the Homogeneity test (F test) then the three variables after testing the data were homogeneous. Hypothesis analysis produces Fcount = 7.259 and Ftable = 5.79 so that Fcount > Ftable so after testing it can be concluded that there is a significant contribution from Double Legs Speed Hops and Pull Down Resistance Bands training to 50 Breaststroke Swimming Speed K.U II Male Athlete Meter at Aquatic Swimming Club Medan in 2023.
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Setyantoko, Maranthika, Widiastuti Widiastuti i Hernawan Hernawan. "The Game-Based ABC Running Exercise Model for Children Ages 6-12 Years". Budapest International Research and Critics in Linguistics and Education (BirLE) Journal 2, nr 3 (4.08.2019): 506–18. http://dx.doi.org/10.33258/birle.v2i3.422.
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The aim of this study is to produce the game-based ABC running exercise model for children ages 6-12 years by testing the effectiveness of increasing the speed of 30 meters short distance running in athletes aged 6-12 years. The research method used in this study is the research and development method of Borg and Gall by using 10 stages. The research subjects in this study are at the age of 6-12 years of athletic at the athletic club in the Special Region of Yogyakarta. The study begins with a data analysis of requirements, planning, product making, testing, revision and final products. The model feasibility test presents 3 experts consisting of 2 athletic lecturers and 1 national athletic trainer. The effectiveness test model uses a 30 meters speed parameter test involving 40 athletes aged 6-12 years consisting of 2 athletic clubs in Yogyakarta Province. Increasing the running speed of 30 meters shows the significance of t-count = 45.64, db = 19 and p-value = 0.00 < 0.05, for the average N-gain of 56.30, which means that the category of interpretation is "quite effective”. This means that there are significant differences in the 30 meters run speed of athletes before and after being given a training model. It can be concluded that the game-based ABC running exercise model developed is effective enough to increase the running speed of 30 meters in athlete’s ages 6-12 years.
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Madrid, Morgan V., Marco A. Avalos, Nicholas A. Levine, Noelle J. Tuttle, Kevin A. Becker i Young-Hoo Kwon. "Association between the On-Plane Angular Motions of the Axle-Chain System and Clubhead Speed in Skilled Male Golfers". Applied Sciences 10, nr 17 (19.08.2020): 5728. http://dx.doi.org/10.3390/app10175728.
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The on-plane rotations of the inclined axle-chain system on the functional swing plane (FSP) can represent the angular motions of the golfer–club system closely. The purpose of this study was to identify key performance factors in golf through a comprehensive investigation of the association between the angular motion characteristics of the axle-chain system and clubhead speed in skilled golfers. Sixty-six male golfers (handicap ≤ 3) performed full-effort shots in three club conditions: driver, 5-iron, and pitching wedge. Swing trials were captured with an optical motion capture system, and the hip/shoulder lines, upper lever, club, and wrist angular positions/velocities were calculated. Time, angular position, range of rotation, and peak angular velocity parameters were extracted and their correlation coefficients (Pearson and Spearman) to actual and normalized clubhead speeds were computed (p < 0.05). Higher clubhead speed was associated with shorter downswing phases, larger rotation ranges (hip/shoulder lines, and upper lever), larger hip–shoulder separation at impact, delayed transitions (hip line and upper lever), faster rotations (backswing, downswing, and impact), and larger angular velocity losses (hip line and upper lever) with additional club- and body-specific correlations. Clubhead speed was not well associated with wrist cock angles/ranges, X-factors/stretches, and timings of the downswing peak.
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Söğüt, Mustafa. "A Comparison of Serve Speed and Motor Coordination between Elite and Club Level Tennis Players". Journal of Human Kinetics 55, nr 1 (1.01.2017): 171–76. http://dx.doi.org/10.1515/hukin-2017-0015.
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AbstractThe purpose of this study was to compare the serve speed and motor coordination of elite and club level junior tennis players aged 11-14 years. Participants (n=35) were assigned to one of the two groups according to their experience, weekly training volume and competition level. Serve speed was assessed with a sports radar gun. Motor coordination was evaluated by means of the Körperkoordinationstest für Kinder. The main results revealed that serve speed and motor coordination performance levels of the elite group were significantly higher than those of the club group. This study emphasized the importance of early participation and training intensity, which can play an important role in enhancement of serve speed and motor coordination.
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Aied, Mohammed Khairulla, i Maher Abdul Ilah. "The Effect of A Proposed Apparatus for Developing Motor Speed in Volleyball Players". Journal of Physical Education 33, nr 2 (28.06.2021): 1–8. http://dx.doi.org/10.37359/jope.v33(2)2021.1136.
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Through the researchers’ observation of volleyball players’ motor response training especially that of Al Jaish Sport Club, they found that most training were traditional and do not depend on modern updated equipment. The aim of this research was to design an apparatus for developing a motor response in volleyball players. The subjects were (7) volleyball players from Al Jaish sport club and after applying a group of exercises the results showed that using the proposed apparatus has a positive effect on developing motor response speed in the subject under study.
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Renanda, Alvi, i Raffly Henjilito. "Kontribusi Daya Tahan Otot Tungkai dan Kecepatan Reaksi terhadap Passing Bawah Bolavoli Club Vonda Pekanbaru". Journal on Education 5, nr 4 (20.03.2023): 13243–48. http://dx.doi.org/10.31004/joe.v5i4.2324.
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The purpose of this research was to determine the contribution of leg muscle endurance to volleyball forearm pass, the contribution of speed reaction to volleyball forearm pass, and the contribution of leg muscle endurance and speed reaction to volleyball forearm pass at Vonda Pekanbaru club. The design of this research was a quantitative correlational study with the total population was 12 athletes. To determine the sample, the researcher used total sampling technique where the entire population was sampled in this research. The instruments of this research that the researcher used were the leg muscle endurance test, the speed reaction test and the forearm passing test. With the following tests, the Wall Squad test is to determine the endurance of an athlete's quadriceps muscle strength, the Nelson hand reaction test which aims to measure hand reaction time with visual stimulation, and the forearm passing ability test to see how well a player is doing forearm passing. The data collection techniques in this research were in the form of observation, literature, tests and measurements. The correlation analysis technique was used the product moment correlation which is used to calculate the correlation from X1 (leg muscle endurance) to Y (forearm passing), the correlation from X2 (speed reaction) to Y (forearm passing), then the correlation from X1 (endurance leg muscles) and X2 (speed reaction) to Y (forearm passing). It can be concluded from this research that there was a contribution of leg muscle endurance to the forearm pass of the Vonda Pekanbaru club was 28.83%, the contribution of speed reaction to the forearm pass of the Vonda Pekanbaru club was 0.176%, and the contribution of leg muscle endurance and speed reaction to forearm passing of Vonda Pekanbaru club was 28.38%.
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Anwar, Yudha Ilhajri, Alnedral -, Afrizal S i Irfan Oktavianus. "Tinjauan Kondisi Fisik Pemain Sepakbola Klub Porma Muaro Takung kabupaten Sijunjung Tahun 2020". Jurnal Performa Olahraga 6, nr 1 (29.06.2021): 1–11. http://dx.doi.org/10.24036/jpo240019.
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Problem in research, namely the level of physical condition of the soccer players at the Porma Muaro Takung club. The purpose of this study is to determine and describe the physical condition of the Porma Muaro Takung club.The results obtained were (1) The dominant flexibility of the Porma Muaro Takung club players in Sijunjung Regency was in the medium category with an average of 14. (2) Coordination The dominant ankles owned by the Porma Muaro Takung club players, Sijunjung Regency belong to the medium category with an average 12. (3) The dominant leg muscle explosive power of the Porma Muaro Takung club player in Sijunjung Regency belongs to the medium category with an average of 152.33 cm. (4) The dominant agility of the Porma Muaro Takung club players, Sijunjung Regency, belongs to the one-time lag category with an average of 14.35 seconds. (5) The dominant speed possessed by the Porma Muaro Takung club player, Sijunjung Regency, is in the low category with an average of 4.68 seconds. (6) Dayatahn aerobics, which is dominant in the club Porma Muaro Takung, Sijunjung Regency, is in the moderate category with an average of 37.01 ml / kg.bb / min.
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Lee, Hyojin, Mihyun Lee i Saejong Park. "Accuracy of Wearable Devices for Estimating Energy Expenditure and Heart Rate During Golf". Exercise Science 31, nr 3 (31.08.2022): 411–21. http://dx.doi.org/10.15857/ksep.2022.00178.
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PURPOSE: This study examined the accuracy of the heart rate (HR) and energy expenditure (EE) measured by commercially available wearable devices during golf.METHODS: A total of 14 male golfers (24.0±4.06 years) participated in this study. Each participant wore five wearable devices (Apple Watch Series 2, AS; Fitbit Versa, FV; Polar V800, PV; Samsung Galaxy Watch Active, SA; and Suunto Spartan Sport Wrist HR, SWH) on the wrist in the laboratory and/or on a golf course. The criterion measures used to evaluate the accuracy of the HR and EE entailed a wireless heart rate monitor (Polar V800, Polar, Finland) and portable indirect gas analyzer (K4b2, COSMED, Italy). In the laboratory, the participants walked on a treadmill and swung golf clubs using seven iron. On the golf course, the participants played golf in nine holes.RESULTS: In the laboratory, the mean absolute percentage error (MAPE) of the HR in the five wearable devices was within 8% for walking and golf club swinging, excluding FV (12%). The MAPE in EE was within 15% for SA, AS, and PV when walking at a speed of 5.6 km/h on the treadmill, but the MAPE in golf club swinging were within 25%. On the golf courses, the HR in all wearable devices showed the MAPE of <5% but EE showed an error rate of <20%, excluding SWH (73%).CONCLUSIONS: The findings of this study suggest that wearable devices might be used to monitor intensity and amount of exercise during golf.
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Aritha Brhamana, Meila Theresia, i Mahmuddin Mahmuddin. "CORRELATION OF AGILITY, FLEXIBILTY AND LEG MUSCLE POWER TO THE SPEED OF DOLYO CHAGI KICKS IN TAEKWONDO MARTIAL ARTS ATHLETES IN ARNEMIA TAEKWONDO CLUB ATHLETES 2021". Indonesia Sport Journal 5, nr 2 (17.08.2022): 44. http://dx.doi.org/10.24114/isj.v5i2.37886.
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The research aims to determine the correlation of agility, flexibility and leg muscle power to the speed of dolyo chagi kicks in taekwondo martial arts athletes in Arnemia Taekwando Club athletes 2021. The research conducted in Arnemia Taekwondo Club. The research population are 20 athletes and the sample that used are 10 athletes who are taken by total sampling technique. The research methods is correlation method to determine the correlation of the variables. The data collection technique . The data analysis technique that used are normality test, homogeneity test, and hyphotesis test was t-test and f-test with a sifnificiant level of 0,05. The result of hyphothesis test is all of the correlation of variable X to variable Y in f-test is fcount = 6,06 > ftable = 4,757. This result show that there is the correlation of agility, flexibility and leg muscle power to the speed of dolyo chagi kicks in taekwondo martial arts athletes in Arnemia Taekwando Club athletes.Keywords: Agility, Flexibility, Leg Muscle Power, Speed of Dolyo Chagi Kicks, Taekwondo
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Stellmann, Jan-Patrick, Sibylle Hodecker, Bastian Cheng, Nadine Wanke, Kim Lea Young, Claus Hilgetag, Christian Gerloff, Christoph Heesen, Götz Thomalla i Susanne Siemonsen. "Reduced rich-club connectivity is related to disability in primary progressive MS". Neurology - Neuroimmunology Neuroinflammation 4, nr 5 (27.07.2017): e375. http://dx.doi.org/10.1212/nxi.0000000000000375.
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Objective:To investigate whether the structural connectivity of the brain's rich-club organization is altered in patients with primary progressive MS and whether such changes to this fundamental network feature are associated with disability measures.Methods:We recruited 37 patients with primary progressive MS and 21 healthy controls for an observational cohort study. Structural connectomes were reconstructed based on diffusion-weighted imaging data using probabilistic tractography and analyzed with graph theory.Results:We observed the same topological organization of brain networks in patients and controls. Consistent with the originally defined rich-club regions, we identified superior frontal, precuneus, superior parietal, and insular cortex in both hemispheres as rich-club nodes. Connectivity within the rich club was significantly reduced in patients with MS (p = 0.039). The extent of reduced rich-club connectivity correlated with clinical measurements of mobility (Kendall rank correlation coefficient τ = −0.20, p = 0.047), hand function (τ = −0.26, p = 0.014), and information processing speed (τ = −0.20, p = 0.049).Conclusions:In patients with primary progressive MS, the fundamental organization of the structural connectome in rich-club and peripheral nodes was preserved and did not differ from healthy controls. The proportion of rich-club connections was altered and correlated with disability measures. Thus, the rich-club organization of the brain may be a promising network phenotype for understanding the patterns and mechanisms of neurodegeneration in MS.
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Beard, Adam, Ryan Chambers, Gregoire P. Millet i Franck Brocherie. "Comparison of Game Movement Positional Profiles Between Professional Club and Senior International Rugby Union Players". International Journal of Sports Medicine 40, nr 06 (25.03.2019): 385–89. http://dx.doi.org/10.1055/a-0858-9973.
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AbstractThe purpose of this study was to compare the game movement demands between professional club and senior international rugby union players. Data were obtained from 188 players from 4 professional club teams (Rabo Direct Pro12) and the affiliated international team during the 2014–15 season. Players were tracked by global positioning system (GPS) sampled at 10 Hz and were categorized into 6 different positional groups (front row forwards, FRF; second row forwards, SRF; back row forwards, BRF; half backs, HB; centres, C; outside backs, OB) and separated into playing standard (club vs. international level). Data on distance, distance per minute, high speed running, maximum velocity, sprint distance and efforts as well as repeated high-intensity locomotion efforts (RHILE) were collected. Significant effects (P<0 .05) between club and international were found for RHILE in all 6 positional groupings with a higher number of RHILE in international vs. club games. Significantly (P<0.05) greater total distance and meterage were also shown in international compared to club for OB position. The RHILE differences between club and international games whatever the positions appear of practical relevance for coaches and performance staff to concentrate on training protocols to enhance this quality as well as evaluation methods.
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Kim, Jinhee, Changhong Youm, Minji Son, Myeounggon Lee i Youkyung Kim. "Golf club characteristics and vertical force distribution associated with pitch and lob shots of different carry distances". International Journal of Sports Science & Coaching 12, nr 4 (sierpień 2017): 540–48. http://dx.doi.org/10.1177/1747954117721268.
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The purpose of this study was to investigate the club characteristics and vertical force distribution of pitch and lob shots of 20 and 30 m in female golfers from the Korean Ladies Professional Golf Association (age: 21.3 ± 1.7 years; height: 161.5 ± 4.4 cm; body weight: 60.3 ± 5.6 kg; career: 7.5 ± 1.7 years). Ten infrared cameras and two force plates were used to record the swing of each golfer. The test golf swings included a pitch and lob shot to target distances of 20 and 30 m. The carry distance for the 20 and 30 m shots was affected by club shaft angle, loft angle, projected ball angle, and club head speed. Pitch and lob shots were distinguished by ball position, club shaft angle, loft angle, vertical force distribution, projected ball angle, and club head speed. For the lob shot, the ball was positioned about 6 cm toward the left foot from the center of the heel marker, compared to the ball position in the pitch shot for the 20 and 30 m shots. In addition, the loft angle was 10° wider and the vertical force of the right foot was 4% greater than for the pitch shot. The projection angle of the ball for the 30 m lob shot was 57°, while that for the pitch shot was about 47°. Taken together, the within-player between-task design and the realistic well-practiced goal-directed experimental tasks provided an opportunity to determine how individual players modify their control strategies to regulate shot distance and ball trajectory when using the same club. These findings have practical implications for coaches and for golfers aiming to improve their short game ability.
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Danu, Jovanka Prawibawa, Daryono Daryono i Agung Mahendra. "Pengaruh Latihan Kelincahan Terhadap Kemampuan Menggiring Bola pada Pemain Sepak Bola di Club Remaja Bhayangkara Sungai Rotan Kabupaten Muara Enim". ANTHOR: Education and Learning Journal 2, nr 2 (7.02.2023): 162–69. http://dx.doi.org/10.31004/anthor.v2i2.115.
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This study aims to determine how much influence agility training has on the ability to dribblesoccer players at the Bhayangkara Youth Club Sungai Rotan, Muaraenim Regency. The problemin this research is whether there is an effect of agility training on the ability to dribble footballplayers at the Bhayangkara Sungai Rotan Youth Club, Muaraenim Regency. This research methodwill use a quantitative descriptive method and the type of research is quasi-experimental in theone-group pretest-protest design category. The sample in this study amounted to 20 people. Thesample is part of the number and characteristics possessed by the population. If the population islarge and the researcher can't study everything in the population, for example, due to limitedfunds, manpower, and time. Data collection techniques in this study were carried out by tests and measurements. This study gave the result that there was an effect of agility training on the ability to dribble the football athletes at the Bhayangkara Sungai Rotan Youth Club resulting in an average dribbling ability of the initial test players was 33.36 seconds, and the average dribbling ability of the final test players is 32.89 seconds. Judging from the increase in dribbling speed for the Bayangkara Sungai Rotan Youth Club players, it is known that agility training has a good effect on the players, it is proven that there is an increase in speed in the average final ability of the Bhayangkara Sungai Rotan Youth Club players.
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Apriadi, Rexi, Patricia Hotma Minar Lubis i M. Taheri Akhbar. "Survei Keterampilan Futsal Ekstrakurikuler di SMK Telenika Palembang". ANTHOR: Education and Learning Journal 2, nr 2 (7.02.2023): 170–77. http://dx.doi.org/10.31004/anthor.v2i2.114.
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This study aims to determine how much influence agility training has on the ability to dribble soccer players at the Bhayangkara Youth Club Sungai Rotan, Muaraenim Regency. The problem in this research is whether there is an effect of agility training on the ability to dribble football players at the Bhayangkara Sungai Rotan Youth Club, Muaraenim Regency. This research methodwill use a quantitative descriptive method and the type of research is quasi-experimental in theone-group pretest-protest design category. The sample in this study amounted to 20 people. Thesample is part of the number and characteristics possessed by the population. If the population islarge and the researcher can't study everything in the population, for example, due to limitedfunds, manpower, and time. Data collection techniques in this study were carried out by tests and measurements. This study gave the result that there was an effect of agility training on the ability to dribble the football athletes at the Bhayangkara Sungai Rotan Youth Club resulting in an average dribbling ability of the initial test players was 33.36 seconds, and the average dribbling ability of the final test players is 32.89 seconds. Judging from the increase in dribbling speed for the Bayangkara Sungai Rotan Youth Club players, it is known that agility training has a good effect on the players, it is proven that there is an increase in speed in the average final ability of the Bhayangkara Sungai Rotan Youth Club players.
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Lewis, Adam L., Nick Ward, Chris Bishop, Sean Maloney i Anthony N. Turner. "Determinants of Club Head Speed in PGA Professional Golfers". Journal of Strength and Conditioning Research 30, nr 8 (sierpień 2016): 2266–70. http://dx.doi.org/10.1519/jsc.0000000000001362.
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Umam, Khoirul, i Khoiril Anam. "Analisis Kecepatan, Kelincahan dan Daya Tahan Pemain Sepak Bola di Klub Sukodono FC". Multiverse: Open Multidisciplinary Journal 2, nr 2 (8.08.2023): 146–53. http://dx.doi.org/10.57251/multiverse.v2i2.1079.
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This article aims to find out the speed, agility and endurance of the Sukodono FC football players. This research method uses quantitative methods with a survey design and descriptive methods. The instruments used in this study were the 30 meter Sprint test for speed, the Illinois Agility Run test for agility and the Multistage Fitness Test (MFT) test for endurance. The results of this study indicate that the physical condition of the soccer players for the Sukodono FC club is in the very poor and good category with a result of 43%. Meanwhile, based on the agility test obtained, it shows that the physical condition of the Sukodono FC club football players is in the good category with a result of 37%. Finally, based on the endurance test obtained, it shows that the physical condition of the Sukodono FC club football players is in the moderate category with a result of 45%.
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Macadam, Paul, Anita Chau i John Cronin. "Wearable resistance acutely enhances club head speed in skilled female golfers". International Journal of Sports Science & Coaching 14, nr 5 (19.07.2019): 675–80. http://dx.doi.org/10.1177/1747954119863882.
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Golf is a skill-based sport which requires optimal swing mechanics to improve golf performance. As practitioners seek training methods to improve swing kinetics without compromising swing kinematics, loading through wearable resistance is one training modality which enables the golf swing to be performed in an overloaded manner. The purpose of this research therefore was to explore the acute effects of wearable resistance on golf swing performance measures. A randomised cross-over design was used with five skilled female golfers (22.0 ± 2.5 years, 163.1 ± 3.3 cm, 57.1 ± 3.4 kg and handicap 4 ± 1.2) who performed a series of golf shots with and without wearable resistance of 1.6 kg (∼2.8% body mass) attached laterally to the posterior trail side of the body. Flightscope launch monitor and force plate technology were used to quantify changes in club head speed and ground reaction forces. Using a paired t-test used for statistical analysis, significant ( p < 0.05) acute increases were found in club head speed (3.5%, p = 0.03), relative vertical ground reaction forces (11.4%, lead side, p = 0.01) and relative mediolateral ground reaction forces (7.1%, trail side, p = 0.03) with wearable resistance as compared to the unloaded condition. Wearable resistance enables a player to perform golf shots in an overloaded manner resulting in significant improvements in club head speed. Future research is required to assess the long-term adaptations to this form of loading on golf swing performance.
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Nazilah, Nikmatun, Silvi Aryanti i Ahmad Richard Victorian. "Push Up Exercise Against 50 Meter Swimming Speed Breaststroke". Kinestetik : Jurnal Ilmiah Pendidikan Jasmani 7, nr 3 (30.09.2023): 660–72. http://dx.doi.org/10.33369/jk.v7i3.29979.
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The aim of this study was to evaluate the influence of push-up training on improving the speed of breaststroke swimming in athletes who are members of the Palembang Tirta Sriwijaya Aquatic Club (TSAC). This study was conducted as an experiment using a one-group pretest and posttest research design. The research subjects included athletes who are part of the Palembang Tirta Sriwijaya Aquatic Club (TSAC). The research sample involved all members of age group III with an age range of 12-13 years consisting of 30 individual athletes. The tool used to measure variables is the breaststroke swimming test using a distance of 50 meters. The data analysis was conducted utilizing the T-test. Based on the analysis results, the t-value exceeded 4.762, while the t-table value was 2.045. These results indicate a significant difference between the pretest push-up and posttest push-up groups in relation to the improvement in 50-meter breaststroke swimming speed. The conclusion of this study revealed that push-up exercises had a positive impact on increasing breaststroke swimming speed as far as 50 meters.