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Showing 1 to 19 of 19 for “"muscular fatigue"”.
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Identifying Dosage Effect of LEDT on Muscular Fatigue in Quadriceps
… of light emitting diode therapy (LEDT) on muscle fatigue, while performing a single leg extension to exhaustion. 34 recreationally resistance trained athletes between the ages of 18 and 26 participated in four trials. Each trial included pre and post exercise blood lactate measurements, two sets …
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Neuromotor Mechanisms Involved in the Recovery from Local Muscular Fatigue
… and causes of over-recovery following local muscular fatigue. Fourteen males completed two fatigue protocols consisting of maximal isometric dorsiflexion contractions. Upon completion of the fatigue protocol participants’ force was monitored over a 15 minute recovery period. Dorsiflexion …
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Visualizing muscular fatigue during running exercises with electromyography-derived variables.
Runners commonly face injuries due to fatigue and overuse. However, it is difficult to know when the body is too fatigued to continue a task without damage. This study attempted to observe if fatigue occurred in the leg muscles, specifically both gastrocnemius muscles and the vastus lateralis, …
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On the relationship between corticomuscular (EEG-EMG) phase coupling and muscular fatigue
… shown in studies measuring the effect of muscle fatigue on the level of synchrony between the oscillatory, cortical and muscular electrical activities (also known as corticomuscular coupling). In every study, the standard method (coherence) used to measure the level of synchrony takes into …
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The Effect of Posture During CPR on Rescuer Muscular Fatigue Development and CPR Quality
The purpose of this study was to evaluate muscle fatigue and CPR quality over time, during four CPR positions. Twenty-one, CPR-certified participants performed six-minutes of CPR, on a training manikin, at four heights (KH, LH, FH, WH). EMG of sixteen muscles, kinematics of the manikin, and kinetic …
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An investigation of adjustable microgravity workstation anthropometrics through analyses of neutral body posture and lower leg muscular fatigue characteristics
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Aeronautics and Astronautics, 1989.
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Evaluation of Circumferential Ankle Pressure as an Ergonomic Intervention to Maintain Balance Perturbed by Localized Muscular Fatigue of the Ankle Joint
… proprioception, and inducing localized muscle fatigue at various musculatures has been shown to adversely affect postural control. However, the potential for pressure application to mitigate the effects of localized muscle fatigue on postural control has not yet been determined. This study …
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Effects of Quadriceps Fatigue on the Outcomes of Slips and Falls
… evidence suggests that localized muscle fatigue might be considered as an intrinsic risk factor that causes lack of balance control leading to falls. The literature on the relationship between localized muscular fatigue of the lower extremity and the gait parameters affecting slip …
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Alterations in neck muscle performance and proprioception with fatique, altered posture and recurrent neck pain
Altered neuromuscular processing and motor output as both a risk and perpetuating factor for chronic neck pain is a relative new area of study. The cervical flexion relaxation response (FRR) is a reproducible and reliable marker of differences in neuromuscular function between neck pain patients …
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Muscle damage, inflammation, and muscular performance following the physical abilities test in professional firefighters
Proper monitoring of fatigue, cardiovascular disease, and muscular damage may be used to decrease the high levels of cardiovascular disease, overuse musculoskeletal injuries, and workers compensation claims within the profession of firefighting. The purpose of this study was to examine muscle …
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Biomechanical Evaluation of Lumbar Extensor Fatigue Effects on the Postural Control System
… control is necessary. The effect of neuromuscular fatigue has been addressed by many investigators; however, few studies have examined the effect of localized fatigue in muscles not located in the lower extremities. Because low back fatigue is so prevalent during manual labor, this …
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Effects of Pack Weight on Endurance of Long-distance Hikers
… injuries such as ankle sprains, knee pain, muscular fatigue, and soft tissue damage. Heavy pack weights can cause injuries and possibly prevent hikers from completing long distance hikes.</p> <p>This study evaluated pack weight to understand the limits of long-term load carriage. …
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Effects of Tool Weight on Fatigue and Performance During Short Cycle Overhead Work Operations
… body of research that examined shoulder time to fatigue during overhead work in an attempt to reduce the prevalence and impact of work-related musculoskeletal problems in the shoulder associated with overhead work, particularly during automobile assembly. Existing evidence suggests that shoulder …
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Dizziness and fear of falling: A behavioural and physiological approach to Phobic Postural Vertigo
… It is hypothesized that this behaviour leads to muscular fatigue, pain problems and distorted proprioception. There are however also other factors behind patients dizziness. Treatment methods were developed, mainly targeting the misinterpretaton of spontaneous body sway, fear of falling and fear …
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Biomechanical characteristics of low back tissues during trunk flexion-extension
… during the active continuous cyclic activity. Muscular fatigue and constant gravitational loading of the system were thought to influence the observations. Acute cyclic movements of trunk flexion-extension were performed in standing and supine positions. In standing, abdominal EMG activity …
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Localized muscle fatigue during isotonic and nonisotonic isometric efforts
… and problems. Research on localized muscle fatigue (LMF) has been viewed as a viable endeavor toward understanding the processes and mechanisms associated with WMSDs. A mounting of evidence on local fatigue during sustained static work has been presented, but much less is known with respect …
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EMG-Informed Estimation of Human Walking Dynamics for Assistive Robots
… and neurological condition, biomechanics, and muscular fatigue. An assistive robot should also produce a smooth movement based on the user's motion intention. Thus, a prediction of motion intention and corresponding adjustment of the robot actuator forces are the fundamental requirements for a …
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Contributions of Muscle Fatigue to a Neuromuscular Neck Injury in Female Standard Ballroom Dancers
… of loss of neck control have a greater amount of fatigue than those with no history of this particular injury. <strong>Design and Setting:</strong> A 2 x 6 factorial design was used for this investigation. The independent variables were group (injured vs. non-injured) and time (before and after …
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Physical and neurophysiological factors influencing dynamic balance
… carrying additional weight and localized muscle fatigue but their influence on dynamic balance in sport activities has not been fully established. Therefore, the aim of this thesis was to investigate the characteristics of dynamic balance in sport related activities, with specific reference to …