Relevant bibliographies by topics / Muscles – Wounds and injuries

Academic literature on the topic 'Muscles – Wounds and injuries'

Author: Grafiati
Published: 4 June 2021
Last updated: 31 January 2023

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Journal articles on the topic "Muscles – Wounds and injuries"

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Kholodnyi, R. D. "MODELING THE SKELETAL MUSCLE INJURY IN RATS." International Journal of Veterinary Medicine, no. 3 (October 18, 2022): 253–57. http://dx.doi.org/10.52419/issn2072-2419.2022.3.253.

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Muscles are the most important executive organs - effectors. Both according to morphological and functional characteristics, muscles are divided into two types - striated and smooth. Striated muscles, in turn, are usually divided into skeletal and cardiac. Striated muscles form the motor apparatus of the skeleton, oculomotor, chewing and other motor systems in animals. The striated muscles, with the exception of the heart muscle, are completely controlled by the central nervous system, they are devoid of automatism.The problem of damage to skeletal muscles is very relevant and widespread. These injuries disrupt the musculoskeletal function of animals, up to its complete loss. To search for methods for restoring the structure and function of muscles, experiments are being carried out on laboratory animals. This article is devoted to the selection of the optimal model of skeletal muscle injury, performed on laboratory rats. The study was conducted on Wistar rats. The choice of the muscle on which the models will be worked out, as well as the surgical access to it, is substantiated. Three options for inflicting damage to muscle tissue (cut wounds directed parallel to muscle fibers; cut wounds directed across muscle fibers; crushed wounds of muscle tissue) and the timing of healing of these injuries are proposed. The result of the study showed that the gastrocnemius muscle is the most suitable for modeling damage to muscle tissue in rats, and a crushed wound has the longest healing time.
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Chauhan, D. C., P. S. Chari, G. K. Khuller, and Dalbir Singh. "Correlation of renal complications with extent and progression of tissue damage in electrical burns." Indian Journal of Plastic Surgery 37, no. 02 (July 2004): 099–104. http://dx.doi.org/10.1055/s-0039-1697236.

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ABSTRACTElectrical injuries due to high-tension voltage (>1000 volts) cause destruction at the point of contact with massive necrosis of deeper structures such as muscles, vessels and nerves. Rhabdomyolysis due to massive breakdown of skeletal muscles may lead to acute renal failure secondary to myoglobinuria. The study was undertaken to observe the correlation of renal complications with extent and progression of tissue damage in high-tension voltage electrical burns. Renal biochemical parameters as predictors of acute renal failure were also studied. Thirty two patients of high tension voltage electrical burn injuries presenting during one year period 1-1-2001 to 31-12-2001 were studied. Low-tension voltage electrical injuries (< 1000 volts) mimic thermal burns were excluded from the study. The electrical wound assessment and the renal biochemical parameters were done daily for the first seven days and then on alternate days for another seven days. Assessment of progression of wounds and correlation with the renal biochemical parameters was done. Patients who died following electrical burns were subjected to autopsy and histopathological examination of both kidneys. Out of the thirty-two patients, six (18.75%) went into acute renal failure. Five out of these six patients died because of renal failure (mortality rate 83.33%). There was definite progression of electric burn wounds. There was no correlation between progression of electrical burn wounds and acute renal failure. Serum creatinine was found to be the most important biochemical parameter as a prognostic indicator of acute renal failure.
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Saha, Srinjoy. "Minimally Invasive Successful Reconstruction of a Severely Traumatized Upper Extremity Using Platelet-Rich Plasma and Tissue Scaffold: A Case Report." Surgery Journal 08, no. 01 (January 2022): e28-e33. http://dx.doi.org/10.1055/s-0041-1742176.

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AbstractMinimally invasive reconstruction combines principles of tissue engineering and regenerative medicine for healing complex wounds. This approach was successfully demonstrated on a 64-year-old diabetic and hypertensive male patient, who was brought unconscious to our emergency after surviving an automobile collision with severe brain and right-dominant upper extremity injuries. Uncontrolled hyperglycemia, severe anemia, diffuse axonal brain injury, wrist drop, and loss of thumb extension and abduction were noted. Extensive degloving, skin necrosis, extensor and flexor forearm muscle crush injuries, and ruptured extensor tendons were observed. Serial wound debridement combined with platelet-poor plasma injection into the muscles, platelet-rich plasma injections into the tendons and subcutis, and low-negative pressure wound therapy were performed sequentially to salvage the injured soft-tissues. Improvements were noticed during the second exploration after 5 days. Surviving muscles showed adequate vascularization and revival of innervation during the third exploration after another 5 days. Thereafter, absorbable synthetic tissue scaffold was applied over a sizeable 270 cm2 wound as a flap-alternative. Tissues regenerated well within the scaffold during the next 2 months, halving the wound area to 132 cm2. A thick split-skin graft was applied over the remaining granulating neodermis, which “took” completely. Six months postoperatively, the patient regained most hand functions and performed all activities satisfactorily, while the grafted area appeared almost identical to surroundings. Minimally invasive reconstruction thus produced satisfying results with fewer shorter simpler surgeries, minimal anesthesia, short-duration hospitalization, lower health care costs, lesser risks, and excellent patient-reported outcomes.
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Lee, Chang Woo, Kazumasa Fukushima, Arvydas Usas, Lin Xin, Dalip Pelinkovic, Vladimir Martinek, George Somogyi, Paul D. Robbins, Freddie H. Fu, and Johnny Huard. "BIOLOGICAL INTERVENTION BASED ON CELL AND GENE THERAPY TO IMPROVE MUSCLE HEALING AFTER LACERATION." Journal of Musculoskeletal Research 04, no. 04 (December 2000): 265–77. http://dx.doi.org/10.1142/s0218957700000264.

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Muscle laceration is a challenging problem in traumatology and is common in sports injuries, with functional recovery remaining slow and incomplete. Even though muscles retain their ability to regenerate after injury, muscles' healing process after such injuries has been found to be very slow and often leads to incomplete muscle recovery. Growth factors may have a role in enhancing recovery. Our previous study showed that IGF-1, β-FGF and NGF can improve myoblast proliferation and differentiation in vitro. We then investigated whether the delivery of IGF-1 would improve muscle healing after injuries. We observed that muscle regeneration was enhanced in lacerated muscles treated with IGF-1 protein, which consequently led to an improvement in muscle healing. However, the rapid clearance and short biological half-lives of these proteins may have limited the success of this approach. We then investigated the efficiency of gene therapy based on adenovirus to deliver a stable expression of the growth factor IGF-1. Although a slight improvement in the healing process occurred in the muscle injected with adenovirus (AIGF), the combination of myoblast transplantation and gene therapy with the ex vivo approach further improved the healing process. The injection of normal myoblasts into the injured muscle led to the best improvement of muscle healing at two weeks post-injection. Implantation of normal minced muscle into mdx mice was also capable of improving muscle healing at 2–4 weeks post-implantation. These studies will further our understanding of muscle healing post-injury and help in the development of strategies to promote efficient muscle healing and complete functional recovery after common muscle injuries.
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de Rooster, H., O. Taeymans, H. van Bree, and M. Risselada. "Penetrating injuries in dogs and cats." Veterinary and Comparative Orthopaedics and Traumatology 21, no. 05 (2008): 434–39. http://dx.doi.org/10.3415/vcot-07-02-0019.

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SummaryThe objective of this retrospective study was to assess radiographical and surgical findings, surgical management and outcome of penetrating injuries in dogs and cats by evaluating patient records. Sixteen patients were identified (15 dogs and one cat), four with gunshot wounds, and 12 with fight wounds (11 with bite wounds, one struck by a claw). The thoracic cavity was affected in six patients, the abdominal cavity in three cases. Both cavities were affected in five dogs and the trachea in two cases. All of the patients with fight wounds were small breed dogs. Multiple injuries to internal organs that required intervention were found surgically after gunshot wounds and a high amount of soft tissue trauma requiring reconstruction was present after fight wounds. Radiography diagnosed body wall disruption in two cases. All of the affected thoracic body walls in the fight group had intercostal muscle disruptions which was diagnosed surgically. Fourteen patients survived until discharge and had a good outcome. In conclusion, penetrating injuries should be explored as they are usually accompanied by severe damage to either the internal organs or to the body wall. A high level of awareness is required to properly determine the degree of trauma of intercostal muscle disruption in thoracic fight wounds.
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Leiva-Cepas, Fernando, Alberto Benito-Ysamat, Ignacio Jimena, Fernando Jimenez-Diaz, Maria Jesus Jesus Gil-Belmonte, Ignacio Ruz-Caracuel, Rafael Villalba, and Jose Peña-Amaro. "Ultrasonographic and Histological Correlation after Experimental Reconstruction of a Volumetric Muscle Loss Injury with Adipose Tissue." International Journal of Molecular Sciences 22, no. 13 (June 22, 2021): 6689. http://dx.doi.org/10.3390/ijms22136689.

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Different types of scaffolds are used to reconstruct muscle volume loss injuries. In this experimental study, we correlated ultrasound observations with histological findings in a muscle volume loss injury reconstructed with autologous adipose tissue. The outcome is compared with decellularized and porous matrix implants. Autologous adipose tissue, decellularized matrix, and a porous collagen matrix were implanted in volumetric muscle loss (VML) injuries generated on the anterior tibial muscles of Wistar rats. Sixty days after implantation, ultrasound findings were compared with histological and histomorphometric analysis. The muscles with an autologous adipose tissue implant exhibited an ultrasound pattern that was quite similar to that of the regenerative control muscles. From a histological point of view, the defects had been occupied by newly formed muscle tissue with certain structural abnormalities that would explain the differences between the ultrasound patterns of the normal control muscles and the regenerated ones. While the decellularized muscle matrix implant resulted in fibrosis and an inflammatory response, the porous collagen matrix implant was replaced by regenerative muscle fibers with neurogenic atrophy and fibrosis. In both cases, the ultrasound images reflected echogenic, echotextural, and vascular changes compatible with the histological findings of failed muscle regeneration. The ultrasound analysis confirmed the histological findings observed in the VML injuries reconstructed by autologous adipose tissue implantation. Ultrasound can be a useful tool for evaluating the structure of muscles reconstructed through tissue engineering.
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Lee, Kyung-Sun, Mobasshira Zaman, and Jaejin Hwang. "Reduced Muscle Activity of the Upper Extremity in Individuals with Spinal Cord Injuries." International Journal of Environmental Research and Public Health 19, no. 8 (April 13, 2022): 4708. http://dx.doi.org/10.3390/ijerph19084708.

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Compromised physical ability due to musculoskeletal impairment among spinal cord injury (SCI) patients is known to negatively affect their quality of life. It is essential to comprehensively understand the muscle strength of the upper extremity among patients with SCI to enhance muscle function and capacity to engage in an active lifestyle. The objective of this study was to evaluate the muscle strength of 15 upper extremity muscles among patients with SCI and compare the relative weakness of individual muscles to the control group. Seven male patients with SCI with ASIA impairment scale D and E and 33 males in the control group participated in this study. Each participant performed maximal voluntary contraction of individual muscles, and the electromyography data were recorded. The results showed that the majority of the upper extremity muscles (12 out of 15) showed considerable weakness (24 to 53%) relative to the control group. Furthermore, the relative strength (ranking) of individual muscles among 15 upper extremity muscles was different between patients with SCI and the control group. This information would be useful to the selective strengthening of specific muscles as an intensive rehabilitation effort and prevent overuse and adverse injuries due to excessive muscle training.
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Hashim, Warqaa, Tahani G. Al-Sultan, Azza Alhialy, Zaid H. Al-Sawaff, and Fatma Kandimerli. "New Biomedical Applications Approach using Shape Memory Polymers for Muscles Rehabilitation and the Accompanying Wounds after Severe Bone Fractures." International Journal on Recent and Innovation Trends in Computing and Communication 10, no. 12 (December 31, 2022): 26–34. http://dx.doi.org/10.17762/ijritcc.v10i12.5838.

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This article introduces a new approach for modern applications of medical devices using shape memory polymers to aid in the rehabilitation of muscles and injuries attached to severe fractures. The group of heaters connected with the splint controls the temperature and humidity inside the affected area. Microcontrollers were attached to the polymer plate in order to directly control the required parameters and changes in addition to giving direct commands to the connected sensors. Because of the property of changing the outer shape of the polymer after being exposed to a certain temperature and returning to the normal shape after the removal of the external influence, the designed polymer plate applies light intermittent pressure on the wound area, muscles, and surrounding tissues, which helps to speed up the rehabilitation of these muscles, especially after She suffered from stiffness due to lack of movement during the period of treatment.
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Ziv, I., R. Mosheiff, A. Zeligowski, M. Liebergal, J. Lowe, and D. Segal. "Crush Injuries of the Foot with Compartment Syndrome: Immediate One-Stage Management." Foot & Ankle 9, no. 4 (February 1989): 185–89. http://dx.doi.org/10.1177/107110078900900407.

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Severe crush injuries with compartment syndrome were treated in five patients by an immediate one-stage procedure. This procedure included the assessment of skin flap viability with accurate debridement of devascularized tissues. It was performed according to the split-thickness skin excision technique. Compartment pressures were measured and the fasciotomies were performed through open wounds or separate medial and lateral incisions. The medial incision was extended to release the tarsal tunnel. Fractures were reduced and internally fixed and exposed bones were covered with locally transposed muscles. Skin grafts, taken earlier for the skin viability assessment, were meshed and applied to replace skin loss. All wounds and fractures healed uneventfully with no major functional loss. In multiple trauma, the physician should maintain a high index of suspicion for early diagnosis and treatment of severe foot injuries. Early treatment leads to more desirable results, shorter hospitalization, and faster rehabilitation.
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Strafun, S. S., I. M. Kurinnyi, N. O. Borzykh, Ya V. Tsymbaliuk, and V. G. Shypunov. "Tactics of Surgical Treatment of Wounded with Gunshot Injuries of the Upper Limb in Modern Conditions." Visnyk Ortopedii Travmatologii Protezuvannia, no. 2(109) (October 12, 2021): 10–17. http://dx.doi.org/10.37647/0132-2486-2021-109-2-10-17.

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Summary. Our study aimed to optimize the tactics of surgical treatment of wounded with gunshot wounds of the upper extremity by determining the factors influencing the outcome of treatment of servicemen in modern conditions of specialized and highly specialized medical care. Materials and Methods. Surgical treatment of 123 patients with gunshot wounds of the upper extremity who were treated at the SI “Institute of Traumatology and Orthopedics of NAMS of Ukraine” and the National Military Medical Clinical Center “Main Military Clinical Hospital” of the Ministry of Defense of Ukraine was analyzed. The mean age of patients was (35.3±8.7). At the level III of medical care, the largest share was occupied by wound closure (28.0%) and surgeries on the skeletal system (6.7%). At the level IV of medical care, the largest share was occupied by surgical procedures for closing unhealed wounds – 28%, due to the consequences of gunshot nerve injuries – 11.5%, fractures – 10.7%, and restorative interventions on muscles – 5.5%. Results. By calculating the odds ratio (Odds Ratio, OR), it was found that the presence of compartment syndrome reduces the probability of obtaining a positive result by 11 times (OR=11.3), and late treatment at the level IV of care reduces the effectiveness of treatment by 9 times (OR=9.1). In the group of patients with peripheral nerve damage, satisfactory results were 6.9 times less than in the group without such damage (OR=6.9); the presence of a tissue defect worsened the prognosis of treatment by almost 5 times (OR=4.7). The average time to start surgical treatment after a gunshot wound was 2.8±5.0 days at the level III and 47.2±70.4 days at the level IV. It was found that for patients admitted to the level IV facilities for up to 30 days, the percentage increase in upper extremity function was 42.6±11.8 after treatment and 28.5±10.0 at a later start of treatment. Conclusions. The results of the study of the factors influencing the outcome of treatment prove the need for early (up to 3 weeks) admission of wounded with gunshot wounds to the level IV of medical care.
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Dissertations / Theses on the topic "Muscles – Wounds and injuries"

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Sole, Gisela, and n/a. "Neuromuscular control of thigh and gluteal muscles following hamstring injuries." University of Otago. School of Physiotherapy, 2008. http://adt.otago.ac.nz./public/adt-NZDU20081103.100628.

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Although traditional prevention and management strategies for hamstring injuries have focussed on optimising muscle strength, flexibility and endurance, incidence and/or recurrence rates of these injuries remains high. A theoretical framework was developed considering additional factors that increase the stabilising demand of the hamstrings. These factors included loss of related stability at the knee and lumbopelvic regions and extrinsic factors during functional and sporting activities. The aims of this research were to determine whether electromyographic (EMG) derived hamstrings, quadriceps and gluteal muscle activation patterns as well as isokinetic torque generation patterns could differentiate athletes who had incurred a hamstring injury from uninjured control athletes. It was hypothesised that the EMG activity of the injured participants would be decreased compared to uninjured control participants during maximal activities, but increased during weight bearing activities. The research included the identification of laboratory-based tasks relevant to the function of the hamstring muscles; test-retest reliability of EMG variables recorded during these tasks; and a comparative cross-sectional study of hamstring-injured (hamstring group, HG) and control athletes (control group, CG). Electromyographic activation patterns were determined during assessment of concentric and eccentric isokinetic strength of the thigh muscles, during transition from double- to single-leg stance, and forward lunging. Isokinetic and EMG onset and amplitude variables were compared both within- and between-groups. Despite no significant differences for peak torque, the HG injured limb generated lower average eccentric flexor torque towards the outer range of motion in comparison to the HG uninjured limb (P = 0.034) and the CG bilateral average (P = 0.025). Furthermore, the EMG root mean square (RMS) decrease from the start to the end range of the eccentric flexor contraction was greater for the HG injured limb hamstrings than the CG bilateral average. During the transition from double- to single-leg stance, the EMG onsets of the HG injured limb (biceps femoris [BF] P < 0.001, medial hamstrings [MH] P = 0.001), and the HG uninjured limb (BF P = 0.023, MH P = 0.011) were earlier in comparison to the CG bilateral average. The transition normalised EMG RMS was significantly higher for the HG injured side BF (P = 0.032), MH (P = 0.039) and vastus lateralis (VL, P = 0.037) in comparison to the CG bilateral average. During the forward lunge, no significant differences were observed within- and between-groups for the normalised EMG amplitude prior to and following initial foot contact. These results suggest that during maximal isokinetic eccentric flexor contractions, the average torque and EMG activity is decreased towards the lengthened position of the hamstring-injured limb. This may be due to structural changes or neurophysiological inhibitory mechanisms. During the static weight bearing task an earlier onset of the HG hamstring muscles was evident in comparison to controls. The hamstrings and the VL of the injured limbs were activated at greater normalised amplitude. The increased muscle activation in the hamstring-injured limbs during the support phase may indicate a greater demand towards stability of the kinetic chain or changes in proprioceptive function. Future research should consider the mechanisms and clinical implications underlying a loss of eccentric flexor torque towards the outer range of contraction, and investigate why increased activation of thigh muscles occurs during the static weight bearing task in hamstring-injured athletes.
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Yeung, Wai Ella, and 楊慧. "Eccentric contraction-induced injury in mammalian skeletal muscle." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2003. http://hub.hku.hk/bib/B29750313.

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Brown, Lisa Gill. "Effect of repeated eccentric demands placed on the lower limb musculature during simulated Rugby Union play." Thesis, Rhodes University, 2010. http://hdl.handle.net/10962/d1005192.

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Epidemiological studies consistently report that muscular strains are a primary injury type in rugby union with the majority of the strains occurring to the quadricep and hamstring musculature. Recently it has been suggested that poor eccentric muscular strength is a precursor to hamstring and quadriceps strains during intermittent sports that require rapid acceleration and deceleration. Despite the high incidence of these muscle injuries in Rugby Union there has been little research into the possible mechanisms involved. Thus, the purpose of this study was to measure the physiological and perceptual responses during a simulated Rugby Union laboratory protocol and further, to identify changes in muscle recruitment patterns and muscle strength over time by comparing this protocol to a continuous, constant load protocol covering the same distance. The experimental condition (EXP) required university level players to perform 80 minutes of simulated rugby union play in a laboratory setting (on a walkway of 22m) which was compared to that of a control condition (CON) which involved subjects covering the same distance, at a constant speed of 4.2km.h-1 on a treadmill. Physiological, biophysical and perceptual responses were measured pre-, at half-time and post-protocol. Heart rate was significantly (p<0.01) greater as a result of EXP in comparison to the CON. Electromyography (EMG) of the vastus medialis was significantly (p<0.01) greater during the CON protocol. The EXP condition elicited higher iEMG activity in the hamstring musculature at all time intervals. In addition the iEMG of the semitendinosus decreased significantly (p<0.01) as a result of the EXP protocol. Peak eccentric knee extensors (EXT) (-13.19%) and flexors (FLEX) (-12.81%) torque decreased significantly during the experimental protocol. After passive half-time (236.67 + 56.27Nm (EXT) and 173.89 + 33.3NM (FLEX)) and at the end of the protocol (220.39 + 55.16Nm and 162.89 + 30.66Nm) reduced relative to pre protocol (253.89 + 54.54Nm and 186.83 + 33.3Nm). Peak eccentric knee extensors did not change during the control protocol. „Central‟ and ‟Local” Rating of Perceived Exertion values were significantly (P<0.01) greater during the EXP protocol with an increased incidence of hamstring discomfort and perceived pain (5 out of 10). The EXP protocol resulted in significantly (p<0.01) increased incidence of delayed onset muscle soreness (DOMS). In conclusion, a stop-start laboratory protocol elicited increased heart rate, negatively impacted on muscle activity of the hamstrings, decreased eccentric strength in the lower limb musculature, resulted in increased ratings of „Central‟ and „Local‟ exertion and increased pain perception and increased incidence of DOMS. Thus, a stop-start rugby specific laboratory protocol has a negative impact on performance. Due to the specificity of the protocol being designed to match the demands of competitive match play it is expected that these changes in heart rate, muscle activity and strength, particularly eccentric strength, will impact negativity on performance during rugby match play and increase the likelihood of injury
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Nottle, Carmel. "Proprioceptive and muscle activation changes in triceps surae associated with exercise induced muscle damage." Thesis, Edith Cowan University, Research Online, Perth, Western Australia, 2004. https://ro.ecu.edu.au/theses/779.

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The aim of this thesis was to examine proprioceptive and activation changes that occur in triceps surae in response to exercise induced muscle damage (EIMD). While proprioceptive changes have previously been demonstrated in association with EIMD, the present investigation examined the role of a number of potential contributing factors to these changes, following both single and repeated bouts of eccentric exercise.
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Girardin, Erika A. "Clinical outcomes of multiple ice treatments on signs and symptoms of exercised-induced muscle damage." Virtual Press, 2000. http://liblink.bsu.edu/uhtbin/catkey/1179132.

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The objective of this study was to determine the effect of multiple ice treatments on the signs and symptoms of exercise induced muscle damage. Twenty-four women performed vigorous eccentric exercise of elbow flexors to induce muscle damage. Subjects were randomly assigned into one of three groups(control, experimental group 1, experimental group 2). Experimental groups 1 and 2 received two and six ice bag treatments respectively for two consecutive days post exercise-induced muscle damage. Dependent variables included pain perception, resting arm angle, bicep, forearm, and wrist circumferences, elbow range of motion, and plasma concentrations of creatine kinase. Baseline measurements were obtained on day one and were repeated every 24 hours post-exercise for five days. No significant differences were observed between groups. The results of this study indicate that ice bag treatments do not have any affect on signs/symptoms of exercise-induced muscle damage.
School of Physical Education
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Zainuddin, Zainal A. "The effects of movement based interventions on DOMS and muscle damage following eccentric exercise." Thesis, Edith Cowan University, Research Online, Perth, Western Australia, 2004. https://ro.ecu.edu.au/theses/1647.

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Delayed onset muscle soreness (DOMS) is a common symptom experienced by most adults following unaccustomed exercise. It is known that DOMS is peculiar to eccentric exercise that results in muscle damage which is characterized by prolonged loss of muscle function. DOMS and subsequent impaired muscle function, reduces the ability to maximize performance of daily living tasks, and has negative effects on sports adherence and activity based healthy lifestyle. Thus, treatments to ameliorate DOMS and enhance recovery of muscle function are important.
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Barford, Gareth Charles. "Changes in muscle recruitment, functional strength and ratings of perceived effort during an 8-over bowling spell: impact on performance." Thesis, Rhodes University, 2013. http://hdl.handle.net/10962/d1003926.

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Background: The musculoskeletal demands placed on the lower limb musculature of fast bowlers over time have not received much attention. In particular, measures of muscle recruitment changes have, to the author’s knowledge, not been considered. Objective: The present study, therefore sought to establish any associations between an eight over, simulated fast bowling spell, and muscle activation patterns, power output, perceptual demands, and changes in performance. This will enable improvements in the development of training programmes. Methods: Players’ were required to attend two sessions in total. The purpose of the initial session was to collect specific demographic, anthropometric and physiological data and injury history information from each player. In addition, this first session allowed for habituation with the treadmill, the jump meter and all other equipment involved in experimentation. The second testing session involved electrode attachment sites being identified on player’s dominant leg. The areas were then shaved, wiped with an alcohol swab and left to dry, to ensure good connectivity. Pre- and post- measures of muscle activity and functional strength of the lower limbs were recorded in the Department of Human Kinetics and Ergonomics. The protocol took place at the Kingswood High Performance Centre, which is in close proximity to the initial testing site. The protocol involved players bowling eight overs (48 balls). During the protocol, accuracy, ball release speed and perceptual measures were recorded at the end of each over. After the protocol, players were driven back to the Human Kinetics and Ergonomics Department where post-testing measures were completed. The dependable variables of interest were muscle activation, functional strength of the lower limbs, ‘local’ ratings of perceived exertion (RPE), body discomfort, accuracy, and ball release speed. Results: For all muscles it was shown that, as the speed increased so did the muscle activity in players’ lower limbs. There were no significant changes in muscle activity preversus post-protocol. There was however, a general trend of decreasing muscle activity post protocol at higher testing speeds. There were significant (p<0.05) decreases in peak power following the simulated eight over bowling spell. ‘Local’ RPE displayed a significant (P<0.05) increase with each additional over and were observed to reach the ‘heavy’ category. The players’ highest discomfort area was in the lower back, with 13 players perceiving discomfort in this region following the eight over spell. The shoulder and chest were another two areas player’s indicated discomfort with eight players selecting the dominant shoulder. Seven players complained of the dominant side pectoral muscle, leading foot and dominant latissimus dorsi muscle being uncomfortable. Interestingly, the dominant pectoral showed the highest body discomfort ratings amongst players. There were no significant changes in accuracy between overs although there were large interindividual differences in accuracy points between players. The decrease in ball release speed observed during over seven was shown to be significantly (p<0.05) lower than overs one to four. Conclusion: The power output and perceived strain results of the players, appears to indicate the presence of fatigue in players. However, the results are not conclusive, as the fatigue was not shown in muscle recruitment patterns, as well as the body discomfort ratings. There was a non-significant trend observed in the lower limb muscle activation decreasing at higher speeds. Players were able to maintain accuracy. However, the significantly lower ball release speed observed during over seven showed players performance decreasing.
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Wilson, Stephen J. "The effects of eccentric muscle damage on malondialdehyde production during long-term recovery." Virtual Press, 2000. http://liblink.bsu.edu/uhtbin/catkey/1180783.

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The purpose of this study was to determine the effects of high intensity eccentric muscle damage on plasma creatine kinase and plasma malondialdehyde. Twelve subjects, who served as their own control, performed 10 sets of eccentric knee extensions at a 10 RM intensity with their dominant leg. The subjects lowered the resistance in slow controlled manner to a three count of a metronome set at one beat per second. The resistance was set at an intensity equal to 120% of the subject's concentric 1RM. Creatine kinase and malondialdehyde were measured pre-exercise and at 24, 48, 72, 96 and 120 hours post-exercise. Results (p<_ .05) showed a significant increase in both creatine kinase and malondialdehyde compared to baseline. Creatine kinase showed significant increases through 120 hours post-exercise, and peaked at 96 hours post-exercise. Malondialdehyde showed significant increases through 72 post-exercise and peaked at 24 hours postexercise. It appears that a single bout, of high intensity, eccentric exercise can cause significant increases in creatine kinase and malondialdehyde.
Department of Speech Pathology & Audiology
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Boerem, David L. "Peak isokinetic torque of knee flexors and extensor muscles of college football players." Scholarly Commons, 1987. https://scholarlycommons.pacific.edu/uop_etds/499.

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The problem of the study addressed knee injuries in college football. Imbalance of the musculature surrounding the knee would predispose the athlete to knee injury. Recognition of those who have muscular deficiencies would be a primary way of preventing knee injuries. The focus of the study was to determine if there was a significant difference in peak isokinetic torque of knee flexor and extensor muscles across speeds (60 degrees/second, 180 degrees/ second and 300 degrees/second) of a college football team subsequent to participation in a spring football season.
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Pepper, Melinda Dorothy. "THE EFFECT OF RELAXATION THERAPY ON MUSCLE SPASTICITY IN THE SPINAL CORD INJURED INDIVIDUAL." Thesis, The University of Arizona, 1985. http://hdl.handle.net/10150/275427.

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Books on the topic "Muscles – Wounds and injuries"

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Stanley, Salmons, ed. Muscle damage. Oxford: Oxford University Press, 1997.

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Meagher, Jack. Beating muscle injuries for runners. Rowley, MA: J. Meagher, 1986.

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1955-, Tiidus Peter M., ed. Skeletal muscle damage and repair. Champaign, IL: Human Kinetics, 2008.

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Stefano, Schiaffino, and Partridge Terence, eds. Skeletal muscle repair and regeneration. Dordrecht: Springer, 2008.

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American Academy of Orthopaedic Surgeons. Symposium. Injury and repair of the musculoskeletal soft tissues: Workshop, Savannah, Georgia, June 1987. Park Ridge, Ill: American Academy of Orthopaedic Surgeons, 1988.

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illustrator, Kelly David, White Deborah illustrator, Angle Scott illustrator, and Rigby Education (Firm), eds. Ouch!: What happens when a bone breaks or a muscle tears. Barrington, Ill: Rigby, 2004.

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Kelly, Starrett, ed. Iced!: The illusionary treatment option. [Henderson, Nevada?]: G. Reinl, 2013.

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Norman, Scott W., ed. Ligament and extensor mechanism injuries of the knee: Diagnosis and treatment. St. Louis: Mosby Year Book, 1991.

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Halkj©Œr-Kristensen, Jens. Wasting and training of the human quadriceps muscle during the treatment of knee ligament injuries. [S. l: s. n., 1985.

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Practical joint assessment: Upper quadrant : a sports medicine manual. 2nd ed. St. Louis: Mosby, 1995.

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Book chapters on the topic "Muscles – Wounds and injuries"

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Payne, Christopher, and Andrew Kjos. "Wounds and Injuries." In A Beginner’s Guide to Special Makeup Effects, 89–94. New York : Routledge, 2021.: Routledge, 2021. http://dx.doi.org/10.4324/9781003093701-19.

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Pierce, Casey M., and Robert F. LaPrade. "Quadriceps Muscles." In Acute Muscle Injuries, 57–79. Cham: Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-03722-6_5.

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Jarraya, Mohamed, Daichi Hayashi, Bernard Roger, and Ali Guermazi. "Adductor Muscles Injuries." In Sports and Traumatology, 229–44. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-43344-8_14.

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Bouvard, Marc, Bernard Roger, Josselin Laffond, Alain Lippa, and François Tassery. "Iliopsoas Muscles Injuries." In Sports and Traumatology, 245–59. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-43344-8_15.

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Orgill, Dennis P. "Operative Management of Pressure Injuries." In Interventional Treatment of Wounds, 75–84. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-66990-8_5.

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Fisher, James N., Alessia Di Giancamillo, Eliana Roveda, Angela Montaruli, and Giuseppe M. Peretti. "Functional Morphology of Muscles and Tendons." In Muscle and Tendon Injuries, 1–14. Berlin, Heidelberg: Springer Berlin Heidelberg, 2017. http://dx.doi.org/10.1007/978-3-662-54184-5_1.

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Presterl, Elisabeth, Magda Diab-El Schahawi, Luigi Segagni Lusignani, Helga Paula, and Jacqui S. Reilly. "Puncture Wounds and Needle-Related Injuries." In Basic Microbiology and Infection Control for Midwives, 151–53. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-030-02026-2_16.

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Hanson, R. Reid, and Amelia S. Munsterman. "Treatment of Burn Injuries, Gunshot Wounds, and Dog-Bite Wounds." In Equine Wound Management, 476–89. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2016. http://dx.doi.org/10.1002/9781118999219.ch20.

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Delin, Cyrille, Jean-Yves Vandensteene, and Bernard Roger. "Hip Short External Rotator Muscles Injuries." In Sports and Traumatology, 315–34. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-43344-8_18.

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Gondim Teixeira, Pedro Augusto. "Gluteus Maximus and Surrounding Muscles Injuries." In Sports and Traumatology, 335–51. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-43344-8_19.

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Conference papers on the topic "Muscles – Wounds and injuries"

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Rizzuto, E., A. Musarò, A. Catizone, and Z. Del Prete. "Morpho-Functional Interaction Between Muscle and Tendon in Hypertrophic MLC/mIGF-1 Mice." In ASME 2010 Summer Bioengineering Conference. American Society of Mechanical Engineers, 2010. http://dx.doi.org/10.1115/sbc2010-19332.

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Tendons and ligaments are uniaxial viscoelastic connective tissues and, during normal activity, tendons transmit forces from muscles to bones, while ligaments stabilize the joints. Many experiments have been carried out to study ligaments and tendons mechanical properties [1], and the effects of training protocols [2] or specific pathologies. Recently, different transgenic mice models have been proposed as a new way to study in depth tendons’ function and development [3]. Within this context, we made use of pathological and transgenic animal models to investigate the morpho-functional interaction between muscles with an altered functionality and their tendons. In a previous work, by using the animal model of human Duchenne dystrophy, mdx, we found out that tendons connected to muscles with functional defects present reduced mechanical properties and an altered balance between alive and dead cells [4]. Here, we evaluated whether hypertrophic muscles would also involve alterations in tendon biomechanical properties. To do this, we used the transgenic animal model MLC/mIgf-1, were the local form of Igf-1 is over-expressed under a muscle specific promoter [5] inducing an increase in skeletal muscle mass and a proportional increment of force. To determine tendons’ elastic and viscous response separately, complex compliance has been computed with a new experimental method [6] which uses a pseudorandom Gaussian noise (PGN) to stimulate all the frequencies of interest within its bandwidth. Elasticity determines the tissue response to loading while viscous dissipation affects the likelihood of injuries to tendons. Indeed, knowing tendinous tissue viscoelasticity is central to better understand the mechanism between energy dissipation and tissue injuries. Finally, the hypothesis that changes in tendons’ mechanical properties could be correlated with alterations in the balance between alive and dead cells has been tested with an in situ cellular analysis.
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Tracey, Dylan, and Hao Zhang. "Design of Passive Lower Limb Exoskeleton to Aid in Injury Mitigation and Muscular Efficiency." In ASME 2020 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/detc2020-22694.

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Abstract With the duties and responsibilities of the military, they are on the cutting edge of R&D and the latest and greatest technologies. One significant problem effecting thousands of soldiers are injuries to the lower limbs, specifically the knees, as a result of high impact to the joints and muscles. Through the research of biomechanics and ergonomics during human locomotion of running, cause and effects fatigue, muscular activation during running, gait cycle force analysis, and biomimicry of kangaroos, we were able to identify lower limb exoskeletons as a viable solution to the problem. The purpose of this research was to develop a relatively inexpensive prototype of a passive lower limb exoskeleton to aid in injury mitigation and muscular efficiency for soldiers. The hypothesis was that a lower limb exoskeleton would reduce/mitigate injuries by reducing stride length and increases stride frequency to lower impact on the knees while running. The prototype was tested by one participant on a 2-mile course with two load variations tested while running. The key results were seen from the spring systems potential to increase average stride cadence/frequency by 6–14% and reduce impact on joints and muscles by increasing the number of steps and reducing high center of gravity oscillation by 13–27%. Furthermore, this study provides evidence and research that proves that a passive lower limb exoskeleton design, which increases stride frequency and reduces stride length, can mitigate injuries to the lower limbs when running with weight by reducing the impact forces on the knees and improving running economy.
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Forshaw, Robert V., Nicholas W. Snow, Jared M. Wolff, Mansour Zenouzi, and Douglas E. Dow. "Electromyography (EMG) Controlled Assistive Rehabilitation System." In ASME 2014 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/imece2014-40238.

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Electromyography (EMG) is a method for monitoring the electrical activity of skeletal muscles. The EMG signal is used to diagnose neuromuscular diseases and muscular injuries. EMG can also be utilized as an indicator of user intent for a muscle contraction for a specific motion. This input signal could be used to control powered exoskeleton prostheses. Limbs with impaired motor function tend to have increased disuse that may result in further muscle weakness. Therapy and other physical activities that increase the use of an impaired limb may contribute to some recovery of motor function. A device that helps to perform activities of daily living may increase usage and enhance recovery. The objective of this project is to make developments toward an EMG controlled assistive rehabilitation system that monitors EMG signals of the bicep and triceps muscles, and drives a motor to assist with arm motion. A motor is used to develop torque that would assist rotations of the arm about the elbow. A pair of EMG sensors (one pair near the biceps and the other near the triceps muscle) transmits electrical activity of the arm to a microcontroller (Raspberry Pi, Raspberry Pi Foundation, United Kingdom). For the prototype, the EMG signal is sampled and rectified within a moving time window to determine the root mean squared (VRMS) value. This value is used by the microcontroller to generate a pulse-width modulated (PWM) signal that controls the motor. Sensors for the motor provide information to an algorithm on the microcontroller. The generated PWM signal is based on the Vrms values for the EMG signal. Testing and analysis has shown a correlation between the EMG Vrms amplitude and muscle generated torque. The EMG controlled assistive rehabilitation system shows promise for assisting motor function for rotations about the elbow. Further algorithmic development is needed to determine the appropriate amount of assistance from the motor for the motor function indicated by user intent.
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Sarver, Joseph J., and Rahamim Seliktar. "A Simplified Mechanical Model to Predict Motion Restrictions of the Partially Paralyzed Shoulder." In ASME 1998 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 1998. http://dx.doi.org/10.1115/imece1998-0192.

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Abstract Shoulder motion has been studied by several researchers as a control source for a variety of rehabilitative systems such as functional electrical stimulation for the past 20 years (Mortimer et al., 1973) (Johnson and Peckham, 1990) (Fass et al., 1995). In particular studies involving partial paralysis of the muscles controlling the shoulder (such as with spinal cord injuries at the C5 and C4 level) have produced kinematic results which suggest that elevation and retraction of the shoulder are coupled. With an appropriate model of the partially paralyzed shoulder it might be possible to simulate a variety of motions which evaluate currently employed control algorithms. To that end a simplified mechanical model was developed to investigate the feasibility of developing a more complicated model of the partially paralyzed shoulder. The results of the mechanical model predicted that motion of the paralyzed shoulder would indeed be a coupling of elevation and retraction.
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Mehra, Neha, Sandhya Rani, Promila Sharma, and Pratibha Joshi. "Ergonomic Assessment of Activities of Front Office Worker in Selected Hospitality Units and Record Related Health." In Applied Human Factors and Ergonomics Conference. AHFE International, 2019. http://dx.doi.org/10.54941/ahfe100150.

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Often when we imagine the kind of workers who get workplace injuries, we think of those who need to exert a lot of physical energy on the job. It is true that employees in these work environments may be at greater risk for injury, but office workers are also at risk. Front Office work is rapidly changing, as new developments in computer technology come along which can make our jobs easier, but which also can present new problems for both management and employees. There is enough information contained here to allow a single employee to set up their own workstation to suit the way they work. This paper provides with the information and tools necessary to analyze office jobs related health problems. A descriptive research enumerates the existing conditions in which the researcher has no control over the variables and can report only actual conditions. The interview schedule was found to be an appropriate tool, which would adequately gather information pertaining to research work. Considering the objective of the study, research was carried out at Pancham Hotel of Bareilly. A sample size is a definite plan for obtaining a sample from a given population. Total sample sizes of 30 were selected. Many office injuries are caused by the repetitive tasks that put strain on our muscles and joints. There are several health related problems faced by office workers which affect their daily working schedule such as chronic back pain, gastric bronchial, asthma, diabetes, depression, arthritis, anaemia and headache. Sixty percent respondents quite seldom suffered from digestion difficulties whereas 12 percent respondents quite often and only 16 percent respondent almost always suffered from digestion difficulties. Several research studies reveals that gastrointestinal complaints of gastric upset, gas, constipation, poor eating etc. are strongly correlated with front office work.
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Ben Farhat, F., M. Ghanem, S. Bizid, H. Ben Abdallah, R. Bouali, and N. Abdelli. "HOW TO PREVENT MUSCLES INJURIES IN ENDOSCOPISTES ?" In ESGE Days 2022. Georg Thieme Verlag KG, 2022. http://dx.doi.org/10.1055/s-0042-1744948.

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Pintar, Frank A., Srirangam Kumaresan, Brian Stemper, Narayan Yoganandan, and Thomas A. Gennarelli. "Finite Element Modeling of Penetrating Traumatic Brain Injuries." In ASME 2000 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2000. http://dx.doi.org/10.1115/imece2000-2602.

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Abstract Recent advances in the treatment of penetrating gunshot wounds to the head have saved lives. These advances are largely reported using retrospective analysis of patients with recommendations for treatment. Biomechanical quantification of intracranial deformation/stress distribution associated with the type of weapon (e.g., projectile geometry) will advance clinical understanding of the mechanics of penetrating wounds. The present study was designed to delineate the biomechanical behavior of the human head under penetrating impact of two different projectile geometries using a nonlinear, three-dimensional finite element model. The human head model included the skull and brain. The qualitative comparison of the model output with each type of projectile during various time steps indicates that the deformation/stress progresses as the projectile penetrates the tissue. There is also a distinct difference in the patterns of displacement for each type of projectile. The present study is a first step in the study of the biomechanics of penetrating traumatic brain injuries.
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Lamping, Jeffrey W., Stephen K. Bubb, and Terence E. McIff. "Effectiveness of Negative Pressure in Promoting Tissue Growth Into Porous Metal Implants." In ASME 2012 Summer Bioengineering Conference. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/sbc2012-80884.

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Extremity War Injuries (EWI) with large open segmental and periarticular defects constitute a high volume and high morbidity challenge for the military trauma management system. Open segmental tibia and elbow fractures caused by Improvised Explosive Device (IED) wounds, are two examples of such injuries. Several problems occur when trying to repair such a wound. The large, gaping wounds make skin closure difficult. Infection is also a prevalent complication typically caused by debris contaminating the wound. Lastly, large amounts of damaged tissue including segmental bone defects make repair difficult.
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Zhang, Jiangyue, Narayan Yoganandan, Cheryl A. Muszynski, Frank A. Pintar, and Thomas A. Gennarelli. "Analysis of Penetrating Head Impact." In ASME 2004 International Mechanical Engineering Congress and Exposition. ASMEDC, 2004. http://dx.doi.org/10.1115/imece2004-59899.

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Impact-induced injuries can be classified into blunt and penetrating types. Penetrating injuries are often the byproduct of gunshot wounds and these injuries to the head result in significant mortality and morbidity. The objective of the study is to determine the probability of fatality as a function of admission Glasgow Coma Scale (GCS) and injury volumes (hematoma and edema) in gunshot wounds using computed tomography (CT) scans. Head CT images from 19 patients were analyzed. Hematoma and edema volumes were computed using grayscale equivalents and special computer software. Hematoma and edema volumes were found to be better predictors than GCS. In addition to admission GCS, hematoma and edema volumes may allow more accurate prediction of outcome, and these data should provide informed counseling of relatives and improved guidelines for more efficient resource allocation during the acute care phase.
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Frybarger, Michelle R., and Karim H. Muci-Küchler. "Distribution of Bacterial Contamination in Partial Penetration Surrogate Ballistic Wounds." In ASME 2020 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/imece2020-23897.

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Abstract With the rise in use of IEDs during armed conflicts, there has been an increase in the number of injuries to the extremities. Shrapnel and debris ejected during the explosion become high-speed projectiles capable of penetrating soft tissues, bringing bacterial contamination into the wound. If not properly treated, that contamination could lead to infection. Studies aimed at understanding the distribution of bacterial contamination along the permanent cavity could provide useful information to improve treatment protocols for these types of injuries. In this paper, a lower extremity surrogate model was used to investigate bacterial distribution in partial penetration ballistic wounds. The targets used were ballistic gelatin blocks that had an Escherichia coli-laden filter paper placed on their front face. Spherical projectiles were fired into the targets adjusting their speed to obtain three different partial penetration depths. After each shot, a gelatin strip containing the permanent cavity was extracted and segmented. The permanent cavity was removed from each segment, placed in a test tube with buffer solution, and heated in a water bath to melt the gelatin. Standard microbiology protocols were followed to determine the number of colony forming units (CFUs) in each segment. The bacteria distribution was represented by percent of total CFU in the permanent cavity versus segment number. In addition, bacterial contamination as a function of projectile penetration depth was explored. For the cases considered, most of the bacterial contamination occurred in the segments closer to the projectile entry point.
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Reports on the topic "Muscles – Wounds and injuries"

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Evans, Jon, Ian Porter, Emma Cockcroft, Al-Amin Kassam, and Jose Valderas. Collecting linked patient reported and technology reported outcome measures for informing clinical decision making: a scoping review. INPLASY - International Platform of Registered Systematic Review and Meta-analysis Protocols, October 2021. http://dx.doi.org/10.37766/inplasy2021.10.0038.

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Review question / Objective: We aim to map out the existing research where concomitant use of patient reported and technology reported outcome measures is used for patients with musculoskeletal conditions. Condition being studied: Musculoskeletal disorders (MSD) covering injuries or disorders of the muscles, nerves, tendons, joints, cartilage, and spinal discs. Musculoskeletal manifestations of joint pathology. Eligibility criteria: 1) Peer-reviewed primary studies and literature reviews. Grey literature not included. 2) Studies which include co-administration of Patient-Reported Outcomes (PROMs) AND wearable electronic devices (e.g. fitness trackers, accelerometers, gyroscopes, pedometers smartphones, smartwatches) in musculoskeletal manifestations of joint pathology. Studies are EXCLUDED which feature wearable electronic devices but not concomitant/real time capturing of PROMs (e.g. they are recorded retrospectively/ at different timepoints). 3) Studies in languages other than English will be excluded unless a translation is available.
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