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Dissertations / Theses on the topic 'Neuromuscular fatigue'

Author: Grafiati

Published: 4 June 2021

Last updated: 20 April 2024

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1

St, Clair Gibson Alan. "Fatigue, aging and the neuromuscular system." Master's thesis, University of Cape Town, 2001. http://hdl.handle.net/11427/3205.

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Bibliography: p. 400-445.<br>The aim of this thesis was to investigate the relationship between chronic exercise activity, aging, the neuromuscular system and the symptom of fatigue in a series of studies. The hypothesis of the thesis was that in contrast to the accepted dogma that exercise is beneficial to an individual, increasing longevity and improving quality of life, excessive or chronic exercise activity may accelerate the aging process, lead to neuromuscular damage, and cause the development of pathological symptoms or levels of fatigue.

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2

Taylor, Kristie-Lee. "Monitoring neuromuscular fatigue in high performance athletes." Thesis, Edith Cowan University, Research Online, Perth, Western Australia, 2012. https://ro.ecu.edu.au/theses/581.

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With improving professionalism of sports around the world, the volume and frequency of training required for competitive performances at the elite level has increased concurrently. With this amplification in training load comes an increased need to closely monitor the associated fatigue responses, since maximising the adaptive response to training is also reliant on avoiding the negative consequences of excessive fatigue. The rationale for the experimental chapters in this thesis was established after considering survey responses regarding current best practice for monitoring fatigue in high p

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3

Lin, Zengyuan. "Neuromuscular fatigue following a singles badminton match." Thesis, Edith Cowan University, Research Online, Perth, Western Australia, 2014. https://ro.ecu.edu.au/theses/1279.

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A typical badminton singles match involves numerous intense and high impact movements. Lunges were accounted for approximately 15% of overall movements and were believed to presumably induce significant muscle damage following a match. However, no previous study has investigated changes in knee extensor muscle function after a badminton match.The present study investigated changes in knee extensor neuromuscular function and muscle soreness after a simulated 1-h badminton singles match in relation to the number of lunges performed in the match. Ten state-level male badminton players were recrui

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4

Alahmari, Sami Khaloufah M. "Muscle force production and neuromuscular fatigue responses to neuromuscular electrical stimulation and tendon vibration." Thesis, Queensland University of Technology, 2022. https://eprints.qut.edu.au/236174/1/Sami_Alahmari_Thesis.pdf.

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Neuromuscular electrical stimulation is an intervention that produces artificial muscle contractions and is used to rehabilitate people with motor impairments. However, a typical problem is the occurrence of rapid fatigue, which limits the training stimulus. This thesis investigated whether the addition of tendon vibration and concurrent activation of upper limb muscles could minimise fatigue and maximise torque produced by the calf muscles during neuromuscular electrical stimulation. The experiments in this thesis showed that superimposition of tendon vibration can increase the amount of torq

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5

Lloyd, Alex. "Neuromuscular fatigue, muscle temperature and hypoxia : an integrative approach." Thesis, Loughborough University, 2016. https://dspace.lboro.ac.uk/2134/21766.

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Real world exposures to physiologically and/or psychologically stressful environments are often multifactorial. For example, high-altitude typically combines exposure to hypobaric hypoxia, solar radiation and cold ambient temperatures, while sea level thermal stress is often combined with supplementary or transient stressors such as rain, solar radiation and wind. In such complex environments, the effect of one stressor on performance may be subject to change, simply due to the presence of another independent stressor. Such differential influences can occur in three basic forms; additive, anta

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6

Yang, Qi. "BIO-SIGNAL ANALYSIS IN FATIGUE AND CANCER RELATED FATIGUE: WEAKENING of CORTICOMUSCULAR FUNCTIONAL COUPLING." Cleveland, Ohio : Cleveland State University, 2008. http://rave.ohiolink.edu/etdc/view?acc_num=csu1213888265.

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Thesis (D.Eng.)--Cleveland State University, 2008.<br>Abstract. Title from PDF t.p. (viewed on Oct. 8, 2008). Includes bibliographical references (p. 91-99). Available online via the OhioLINK ETD Center. Also available in print.

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7

Reed, Georgina. "The effect of neuromuscular training on fatigue resistance in female footballers." Thesis, University of Gloucestershire, 2017. http://eprints.glos.ac.uk/5285/.

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ACL injury is predominant in female footballers largely due to a combination of kinetic and neuromuscular risk factors. The majority of ACL injuries in football occur during an unanticipated cutting manoeuvre, and the risk of this injury is heightened during the final 30 minutes of each half of match-play. Due to an increased injury incidence towards the end of match-play, it is possible that fatigue might serve as a risk factor for ACL injury. However, there currently exists limited research examining the effects of fatigue on a variety of kinetic and electromyographic variables in female foo

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8

Cormack, Stuart J. "Neuromuscular fatigue and endocrine responses in elite Australian rules football players." Connect to thesis, 2008. http://portal.ecu.edu.au/adt-public/adt-ECU2008.0010.html.

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9

BERETTA-PICCOLI, MATTEO CARLOFELICE. "EVALUATION OF NEUROMUSCULAR FATIGUE THROUGH INNOVATIVE SURFACE EMG PARAMETERS IN HUMANS." Doctoral thesis, Università degli studi di Pavia, 2020. http://hdl.handle.net/11571/1371980.

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The surface electromyogram (EMG) undergoes several changes during an isometric fatiguing muscle contraction. Amplitude and spectral parameters, as well as muscle fiber conduction velocity and fractal dimension of the surface EMG signal, may be used as indirect fatigability indices to monitor these changes. The aims of this thesis were to determine whether surface EMG is a reliable tool for estimating conduction velocity, through a systematic review of the literature; to determine the relationship between muscle force and the selected fatigability indices; and to study the behavior of the fatig

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10

Castronovo, Anna Margherita <1984&gt. "Techniques and Methods for a multi-scale analysis of neuromuscular fatigue." Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2014. http://amsdottorato.unibo.it/6274/7/Castronovo_AnnaMargherita_tesi.pdf.

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This thesis proposes an integrated holistic approach to the study of neuromuscular fatigue in order to encompass all the causes and all the consequences underlying the phenomenon. Starting from the metabolic processes occurring at the cellular level, the reader is guided toward the physiological changes at the motorneuron and motor unit level and from this to the more general biomechanical alterations. In Chapter 1 a list of the various definitions for fatigue spanning several contexts has been reported. In Chapter 2, the electrophysiological changes in terms of motor unit behavior and descend

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11

Castronovo, Anna Margherita <1984&gt. "Techniques and Methods for a multi-scale analysis of neuromuscular fatigue." Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2014. http://amsdottorato.unibo.it/6274/.

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This thesis proposes an integrated holistic approach to the study of neuromuscular fatigue in order to encompass all the causes and all the consequences underlying the phenomenon. Starting from the metabolic processes occurring at the cellular level, the reader is guided toward the physiological changes at the motorneuron and motor unit level and from this to the more general biomechanical alterations. In Chapter 1 a list of the various definitions for fatigue spanning several contexts has been reported. In Chapter 2, the electrophysiological changes in terms of motor unit behavior and descend

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12

Overton, Amanda Julie. "Neuromuscular Fatigue and Biomechanical Alterations during High-Intensity, Constant-Load Cycling." Thesis, Edith Cowan University, Research Online, Perth, Western Australia, 2013. https://ro.ecu.edu.au/theses/612.

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Neuromuscular fatigue is an inevitable process at play during prolonged exercise, and may be caused by multiple alterations within the central nervous system and peripheral musculature. As fatigue develops, the neuromuscular system must adapt to these changes by making compensatory movement pattern adjustments so as to use motor pathways that are less fatigued in an effort to maintain task performance; motor variability is thus increased. The primary purpose of the four studies contained within this doctoral thesis was to detail the progression of exercise-induced neuromuscular fatigue, and to

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13

Cormack, Stuart J. "Neuromuscular fatigue and endocrine responses in elite Australian Rules football players." Thesis, Edith Cowan University, Research Online, Perth, Western Australia, 2008. https://ro.ecu.edu.au/theses/19.

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The first purpose of this research was to establish the reliability of numerous measures obtained from a single and short duration repeated countermovement jump (CMJ) utilising a portable forceplate (Experimental Studies 1 and 2). Secondly, the response of reliable CMJ variables and T, C and T:C to a single elite level ARF match was assessed to identify the pattern of response and highlight those measures with the greatest potential for usefulness as monitoring tools across longer periods (Experimental Study 3). Finally, those variables identified as most valuable in Experimental Study 3 in ad

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14

Piponnier, Enzo. "Etude des différences de fatigue neuromusculaire entre enfants et adultes en fonction du groupe musculaire, de la longueur musculaire et du profil métabolique." Thesis, Université Clermont Auvergne‎ (2017-2020), 2018. http://www.theses.fr/2018CLFAS013/document.

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Les objectifs de ce travail de thèse étaient d’évaluer les effets des différences (i) de niveau de force, en utilisant différents groupes et longueurs musculaires, et (ii) de profil métabolique entre enfants pré-pubères et adultes sur les différences de développement et d’origine de la fatigue neuromusculaire, ainsi que (iii) d’accroître nos connaissances sur les mécanismes de la fatigue neuromusculaire chez l’enfant pré-pubère. Les résultats de ce travail montrent que les différences de niveau de force pourraient être un facteur expliquant les différences de développement et d’origine de la f

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15

Kennedy, Ashley C. "Impact of Neuromuscular Fatigue on the Postural Response to Externally Initiated, Predictable Postural Perturbations." Thèse, Université d'Ottawa / University of Ottawa, 2013. http://hdl.handle.net/10393/24369.

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Neuromuscular fatigue, even that caused by light submaximal exercise, impairs motor performance and alters motor planning. This impairment is evident in muscle reaction time, force production capacity and joint position sense as well as in more complex tasks such as postural stability. When an individual is fatigued their postural sway increases and they are less able to recover from unexpected postural perturbations. Although a large number of work-related falls are caused by fatigue every year, the mechanisms behind the instability are not well understood. Since postural control does not req

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16

Vaughan, Jeremiah A. "Neuromuscular Function and Fatigue and Metabolic Responses while Cycling in the Heat." Kent State University / OhioLINK, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=kent1542212848069694.

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17

Cardwell, Kathryn. "The assessment of movement demands and neuromuscular fatigue in female softball players." Thesis, Edith Cowan University, Research Online, Perth, Western Australia, 2022. https://ro.ecu.edu.au/theses/2501.

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Softball has experienced an increase in worldwide popularity over the last 15 years, and it is expected to rise following the reinstatement of softball as an Olympic sport in 2021. Previous softball research has primarily focused on the biomechanical characteristics of its athletes. However, there is a current lack of research concerning the movement demands occurring in gameplay and the development of neuromuscular fatigue in softball players during sportspecific movements, training sessions, or in competition play. Prior research has demonstrated that a majority of power generated during a b

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18

Fontes, Eduardo Bodnariuc 1979. "Limiar de fadiga neuromuscular determinado por diferentes periodos de analise do sinal eletromiografico." [s.n.], 2008. http://repositorio.unicamp.br/jspui/handle/REPOSIP/275157.

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Orientador: Antonio Carlos de Moraes<br>Dissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Educação Fisica<br>Made available in DSpace on 2018-08-10T17:31:59Z (GMT). No. of bitstreams: 1 Fontes_EduardoBodnariuc_M.pdf: 546789 bytes, checksum: e5cf58e2e5bc2c9f182d7e783137819d (MD5) Previous issue date: 2008<br>Resumo: LFNM estabelecido por diferentes períodos de análise do sinal eletromiográfico e comparar os mesmos com a Potência Crítica - PC em indivíduos saudáveis. A amostra foi composta por 17 voluntários saudáveis do sexo masculino (23,4 ± 5,2 anos, 73,6 ± 5,08 kg, 1

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Santos, Denise Veck dos. "Análise das variáveis biomecânicas em mulheres ativas após aplicação de um protocolo de fadiga /." Rio Claro, 2019. http://hdl.handle.net/11449/191096.

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Orientador: Adalgiso Coscrato Cardozo<br>Resumo: No cenário esportivo a avaliação de padrões de movimentos é indispensável para melhoria do desempenho, prevenção e recuperação de lesões. Dentre as variáveis que podem ser estudadas, a Eficiência Neuromuscular (ENM) vem ganhando espaço no meio acadêmico devido à sua importância para compreender como os fatores neurais interferem na eficácia da ativação das unidades motoras durante a contração muscular. A eficiência neuromuscular está relacionada à ativação de fibras musculares e à produção de força, gerada por um determinado músculo. Um dos fato

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20

Hoeven, Johannes Harmen van der. "Conduction velocity in human muscle an EMG study in fatigue and neuromuscular disorders /." [S.l. : [Groningen] : s.n.] ; [University Library Groningen] [Host], 1995. http://irs.ub.rug.nl/ppn/142995223.

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21

Forsberg, Josefin. "Muscle fatigue and neuromuscular knee valgus in strong versus weak young female athletes." Thesis, Högskolan i Halmstad, Akademin för ekonomi, teknik och naturvetenskap, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:hh:diva-33981.

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Background. Knee injuries such as anterior cruciate ligament injuries (ACL) are common in young female athletes resulting in great medical and personal costs. Both knee valgus and muscle fatigue has been reported to increase the risk of injury, while strength training has been used to reduce the occurrence of knee valgus and injury. However, few data exist on the impact of muscle strength and fatigue on knee valgus. Aim. The study aimed at investigating whether muscle strength affects the presence of knee valgus and if fatigue affects knee valgus differently depending on the level of muscle st

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22

Riding, Teri J. "Contributions of muscle fatigue to a neuromuscular neck injury in female standard ballroom dancers /." Diss., CLICK HERE for online access, 2006. http://contentdm.lib.byu.edu/ETD/image/etd1529.pdf.

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23

Theilen, Nicholas Todd. "Comparisons of acute neuromuscular fatigue and recovery after maximal effort strength training using powerlifts." Scholar Commons, 2013. http://scholarcommons.usf.edu/etd/4593.

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COMPARISONS OF ACUTE NEUROMUSCULAR FATIGUE IN MAXIMAL EFFORT STRENGTH TRAINING USING POWERLIFTS. N. T. Theilen, B. I. Campbell, M. C. Zourdos2, J. M. Oliver3, J. O'Halloran1, N. Asher1, J. M. Wilson4 1University of South Florida, Exercise and Performance Nutrition Laboratory, Tampa, FL 2Florida Atlantic University, Boca Raton, FL 3Texas Christian University, Fort Worth, TX 4University of Tampa, Tampa, FL Neuromuscular fatigue is associated with a decrease in velocity. Following powerlift training, the extent to which fatigue affects the performance velocity of each lift after a specified reco

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24

Pethick, Jamie. "The effects of neuromuscular fatigue on the complexity of isometric torque output in humans." Thesis, University of Kent, 2016. https://kar.kent.ac.uk/60067/.

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The temporal structure, or complexity, of torque output is thought to reflect the adaptability of motor control and has important implications for system function, with high values endowing greater adaptability in response to alterations in task demand. The aim of this thesis was to investigate the effect of neuromuscular fatigue on the complexity of isometric muscle torque output. It was hypothesised that neuromuscular fatigue would lead to a reduction in the complexity of muscle torque output, as measured by approximate entropy (ApEn), sample entropy (SampEn) and the detrended fluctuation an

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Riding, Teri. "Contributions of Muscle Fatigue to a Neuromuscular Neck Injury in Female Standard Ballroom Dancers." BYU ScholarsArchive, 2006. https://scholarsarchive.byu.edu/etd/755.

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Objective: To investigate the potential etiology of a loss of neck control injury in female standard ballroom dancers. The median frequency (MF) as measured by electromyography (EMG) of the left upper trapezius (UT), left splenius capitius (SPL), and right sternocleidomastoid (SCM) of injured dancers was compared to non-injured dancers. This comparison was performed to identify whether dancers with a history of loss of neck control have a greater amount of fatigue than those with no history of this particular injury. Design and Setting: A 2 x 6 factorial design was used for this investigation.

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Garnier, Yoann. "Influence des modalités de contraction musculaire sur les effets neuroplastiques de l'exercice." Thesis, Bourgogne Franche-Comté, 2018. http://www.theses.fr/2018UBFCK034/document.

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Parallèlement aux adaptations cardiovasculaires et neuromusculaires, les exercices mono-articulaires ou locomoteurs peuvent induire des changements neuroplastiques de muscles impliqués ou non dans l’exercice. Si l’effet de paramètres de l’exercice, comme l’intensité ou la durée, sur les changements neuroplastiques ont déjà été étudiés, l’effet du mode de contraction musculaire reste, quant à lui, moins connu. L’objectif de cette thèse a été d’évaluer les effets du mode de contraction musculaire sur les changements neuroplastiques consécutifs à un exercice locomoteur ou mono-articulaire. La pre

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Dwyer, Daniel, and na. "Serotonin as a Mediator of Fatigue During Exercise and Training." Griffith University. School of Health Science, 2004. http://www4.gu.edu.au:8080/adt-root/public/adt-QGU20040521.130535.

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Exercise has been shown to cause an increase in the concentration of brain serotonin (5-hydroxytryptamine, 5-HT) in humans and experimental animals. The increase in brain serotonin coincides with the onset of fatigue and is referred to as "central fatigue". Experiments in humans and animals involving serotonin receptor agonists have demonstrated reductions in exercise performance by simulating the exercise-induced increase in endogenous serotonin. Conversely, the administration of serotonin receptor antagonists has been shown to extend exercise performance in experimental animals, but not in h

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Dwyer, Dan. "Serotonin as a Mediator of Fatigue During Exercise and Training." Thesis, Griffith University, 2004. http://hdl.handle.net/10072/366705.

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Exercise has been shown to cause an increase in the concentration of brain serotonin (5-hydroxytryptamine, 5-HT) in humans and experimental animals. The increase in brain serotonin coincides with the onset of fatigue and is referred to as "central fatigue". Experiments in humans and animals involving serotonin receptor agonists have demonstrated reductions in exercise performance by simulating the exercise-induced increase in endogenous serotonin. Conversely, the administration of serotonin receptor antagonists has been shown to extend exercise performance in experimental animals, but not in h

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29

Followay, Brittany. "EFFECTS OF CYCLING EXERCISE AND COLD EXPOSURE ON NEUROMUSCULAR ACTIVATION AND FATIGUE,AND METABOLIC RESPONSES." Kent State University / OhioLINK, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=kent1531736690094866.

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30

Cometti, Carole. "Effets de différents paramètres de récupération lors d'exercices de renforcement musculaire." Thesis, Dijon, 2012. http://www.theses.fr/2012DIJOS014/document.

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L’optimisation de la performance oblige l’athlète à répéter des séances d’entraînement à haute intensité de travail avec peu de récupération, ce qui génère une fatigue neuromusculaire qui peut être préjudiciable. Ainsi, dans le but de limiter ce phénomène et d’améliorer l’efficacité des séances d’entraînement, le choix d’une récupération adéquate s’impose.La récupération active est la méthode la plus connue et la plus efficace relatée dans la littérature. En effet, de nombreuses études démontrent son effet bénéfique sur la fatigue provoquée lors d’exercices globaux (types course ou pédalage).

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Bray, James William. "Quantification of training load, neuromuscular fatigue, biochemical and endocrine responses to fast bowling in cricket." Thesis, University of Hull, 2017. http://hydra.hull.ac.uk/resources/hull:16447.

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Recent professionalization, the emergence of, and ever-increasing popularity of limited overs cricket, have resulted in traditional playing schedules evolving and expanding. Consequently, players now compete for much of the year, experiencing periods of condensed fixtures. To meet these increased demands, the aforementioned contribute to effecting team performance and player health. Thus, the prevalence of injuries, especially amongst fast bowlers, has been shown and attributed to rises in competition workloads. Therefore, the main aim of this thesis was to explore the application of micro-ele

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Fell, Neil. "Neuromuscular and metabolic characteristics of fatigue in response to heavy resistance and dynamic strength training." Thesis, Liverpool John Moores University, 2004. http://researchonline.ljmu.ac.uk/5601/.

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Vitry, Florian. "Effets aigus et chroniques de l’électrostimulation appliquée au niveau du nerf moteur : importance du retour afférent." Thesis, Bourgogne Franche-Comté, 2019. http://www.theses.fr/2019UBFCK087.

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L'objectif de cette thèse était d’étudier l'impact de protocoles d’électrostimulation favorisant un recrutement indirect des unités motrices (UM) via les afférences sensorielles et induisant le développement d’extra force, sur le système neuromusculaire. Ces protocoles associent une grande largeur d’impulsion, une faible intensité de stimulation, des hautes et basses fréquences et sont appliqués sur le nerf moteur. L’étude des effets de ces protocoles sur la fatigue neuromusculaire lors d’une application aiguë a fait l’objet de la première étude qui a montré que pour un impact équivalent sur l

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Emerson, Nadia. "The Effects of 6-weeks of Resistance Training on the Neuromuscular Fatigue Threshold in Older Adults." Master's thesis, University of Central Florida, 2013. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/5631.

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Age-related deficits in muscle mass, strength, and function place an increased burden of work on existing skeletal muscle and may lead to early onset of neuromuscular fatigue (NMF) during activities of daily living. Resistance exercise (RE) is the proven method for improving neuromuscular function in healthy older adults. PURPOSE: To investigate the effects of 6 weeks of RE on the NMF threshold as well as strength and functional performance in older adults. METHODS: Twenty-four older adults were randomly assigned to 6 weeks of RE (EXE; n = 12; age 72 ± 6.3 y; BMI 28.4 kg/m2) or control (CON

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Morgan, P. "The effect of acute consumption of non-specific COX-inhibitors on neuromuscular fatigue and exercise performance." Thesis, University of Exeter, 2019. http://hdl.handle.net/10871/36529.

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Exercise-induced fatigue is a complex, multifactorial process, the physiological bases of which are still widely debated. Recent research has implicated pain sensation in the aetiology of exercise-induced neuromuscular fatigue. Indeed, acute consumption of acetaminophen (ACT, or paracetamol), a non-specific inhibitor of the cyclooxygenase (COX) enzymes which synthesise prostaglandins and sensitise group III/IV muscle afferents, has been shown to improve exercise performance concomitant with a lower pain and effort sensation. However, the neurophysiological bases for the potential ergogenic eff

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Eladly, Ahmed Fayed. "Applicability of wireless injectable microstimulators based on volume conduction for high density neuromuscular stimulation." Doctoral thesis, Universitat Pompeu Fabra, 2021. http://hdl.handle.net/10803/671529.

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This thesis was conducted within the framework of the eAXON project that is aimed at developing injectable wireless sub-millimetric single-channel addressable microstimulators based on volume conduction called eAXONs that could be inserted in large numbers to provide high density neuromuscular stimulation for restoring functional movement to paralyzed limbs with minimal invasiveness. It is demonstrated that multi-channel intramuscular stimulation significantly delays electrically–induced muscle fatigue, while single-channel stimulation does not. It is shown that the nerve supply of mamma

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Nanjundeswaran, (Guntupalli) Chaya D., Jessie VanSwearingen, and Katherine Verdolini Abbott. "Metabolic Mechanisms of Vocal Fatigue." Digital Commons @ East Tennessee State University, 2016. https://dc.etsu.edu/etsu-works/1761.

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Objective This study aimed to identify potential metabolic mechanisms including (1) neuromuscular inefficiency, (2) cardiovascular recovery deficits, or (3) both, in individuals with complaints of vocal fatigue.

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Bisson, Etienne. "Influence of Neuromuscular Fatigue of the Lower Limb on Postural Control and Associated Central Processes in Young and Older Adults." Thèse, Université d'Ottawa / University of Ottawa, 2012. http://hdl.handle.net/10393/23612.

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This thesis investigates the differential effects of muscle fatigue on center of pressure (COP) sway and associated central processes (attentional demands and sensory re-weighting) in older compared with young adults. More specifically, we first sought to determine whether the effect of muscle fatigue on unipedal stance was greater during a dual-task in older versus young adults, and second, to determine whether the effect of muscle fatigue on bipedal stance was greater in a condition with less reliable proprioceptive information in older versus young adults. Our main results show that with di

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Duan, Xu. "Influence of gender and obesity on motor performance, neuromuscular control and endurance in older adults." Thesis, Virginia Tech, 2018. http://hdl.handle.net/10919/91479.

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The rapid growth of an older demographic is an increasing concern around the world. Older people have been reported to suffer from physiological and neuromuscular declines in several systems including skeletal muscles, central nervous system, cardiovascular processes and respiratory function. These age-related changes are often reflected through impairments in functional performance of occupational tasks as well as activities of daily living. This may make an older population more prone to musculoskeletal disorders and injuries. In addition, health problems and injury risks are likely amplifie

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Blaisdell, Robert B. "Effects of Neuromuscular Fatigue Resulting from Repeat Sprint Exercise Among Trained Cyclists on Measures of Strength and Power Performance." Digital Commons @ East Tennessee State University, 2019. https://dc.etsu.edu/etd/3621.

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The purpose of this dissertation is to better understand the role of repeated-sprint ability (RSA) and resulting fatigue in cyclists; how it relates to measures of aerobic power and strength and power performance indices- due to the nature of cycling competitions and the necessity of RSA for success. The first part of this dissertation attempted to elucidate the relationship between RSA and aerobic power and strength/ power measures in competitive cyclists. The purpose was to potentially illustrate the importance of the inclusion of strength and power training in the training regimen of cyclis

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Botelho, André Luís. "Avaliação da fadiga neuromuscular por meio da análise de frequência do sinal eletromiográfico de sujeitos controle e pacientes acometidos por disfunção temporomandibular tratados com placa oclusal resiliente e rígida." Universidade de São Paulo, 2012. http://www.teses.usp.br/teses/disponiveis/58/58133/tde-22052012-155242/.

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A incapacidade de produzir repetidamente no tempo um determinado nível de força ou potência muscular designa-se por fadiga neuromuscular. A etiologia da fadiga muscular tem atraído o interesse de pesquisadores há mais de um século. Contudo, os seus agentes e locais definitivos permanecem ainda por serem identificados. Este trabalho teve por objetivo avaliar a fadiga neuromuscular por meio da análise de frequência do sinal eletromiográfico dos músculos masseter e temporal anterior de ambos os lados em 3 grupos distintos: sujeitos saudáveis assintomáticos para disfunção temporomandibular (DTM),

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Giandolini, Marlène. "Gestion de l'impact et de la fatigue neuromusculaire en trail running." Thesis, Saint-Etienne, 2015. http://www.theses.fr/2015STET009T/document.

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Bien que constitué anatomiquement et physiologiquement pour la course d’endurance, l’Homme est considérablement exposés à diverses blessures musculo-squelettiques liées à la répétition de contraintes mécaniques. Le coureur de trail running par exemple est soumis à de nombreux impacts ainsi qu’à une fatigue et des dommages musculaires sévères. Ces chocs répétitifs et dommages musculaires réduiraient la tolérance du coureur face aux contraintes mécaniques le poussant ainsi à altérer sa cinématique de course. Par conséquent, minimiser les dommages musculo-squelettiques serait déterminant pour la

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Brandon, Raphael. "Investigations of the neuromuscular response during and following elite maximum strength and power type resistance exercise." Thesis, University of Stirling, 2011. http://hdl.handle.net/1893/3655.

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The thesis aimed to analyse the acute neuromuscular (NM) response during and following maximum strength and power training methods. The primary aim of study one was to establish the reliability of biomechanical and surface electromyographic (sEMG) measurements during barbell squat exercise. This would enable the subsequent studies to precisely assess muscle activity and mechanical power during barbell resistance exercise sessions. Nine male well-trained subjects performed squat exercise on three separate trial days. Each trial comprised one set of squat at 50, 75 and 100% of 3RM load. Synchron

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Torrado, Pineda Priscila. "Valoración de la fatiga neuromuscular en el antebrazo del motorista de velocidad." Doctoral thesis, Universitat de Barcelona, 2015. http://hdl.handle.net/10803/311797.

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Actualmente, es frecuente ver cómo muchas escuderías tienen sus motos paradas en boxes por patologías neuromusculares de sus pilotos oficiales, debiendo recurrir a pilotos substitutos. Durante una carrera de motos la fatiga es alta porque los pilotos tienen que soportar niveles de tensión muscular elevados, particularmente en los brazos y antebrazos y además mantenidos durante un largo periodo de tiempo. Un estudio previo realizado durante una carrera de resistencia de 24 h (Marina, Porta, Vallejo, & Angulo, 2011) sugirió que el sistema central no era el motivo principal que explicaba

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Souissi, Hiba. "Altération des stratégies musculaires chez des patients post-AVC : conséquences sur la marche et en condition de fatigue." Thesis, Côte d'Azur, 2018. http://www.theses.fr/2018AZUR4213/document.

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L'hémiparésie est une des déficiences fréquemment observée après un accident vasculaire cérébral (AVC). Elle s’accompagne d’une gestion anormale de la co-contraction musculaire et des déficits de production de force qui contribuent de manière significative à réduire la performance de la marche. Une réorganisation des stratégies musculaires est mise en place pour répondre aux contraintes de stabilité et de propulsion du centre de masse au cours de la marche. Cependant, la littérature reporte très peu de données sur les actions musculaires des membres, parétique et non-parétique, au cours de la

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CERQUEIRA, Mikhail Santos. "Exercício de preensão manual isométrico intermitente associado a diferentes níveis de compreensão vascular externa: efeitos agudos na reposta neuromuscular." Universidade Federal de Pernambuco, 2016. https://repositorio.ufpe.br/handle/123456789/18734.

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Submitted by Fabio Sobreira Campos da Costa (fabio.sobreira@ufpe.br) on 2017-05-08T15:55:18Z No. of bitstreams: 2 license_rdf: 1232 bytes, checksum: 66e71c371cc565284e70f40736c94386 (MD5) Mikhail_Fisioterapia_2016_Dissertação_VERSÃO FINAL.pdf: 2837925 bytes, checksum: 090d4888fccffdb3ca10a05f1c18e02b (MD5)<br>Made available in DSpace on 2017-05-08T15:55:18Z (GMT). No. of bitstreams: 2 license_rdf: 1232 bytes, checksum: 66e71c371cc565284e70f40736c94386 (MD5) Mikhail_Fisioterapia_2016_Dissertação_VERSÃO FINAL.pdf: 2837925 bytes, checksum: 090d4888fccffdb3ca10a05f1c18e02b (MD5) Previous issue d

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Cavalcante, Marcos David da Silva. "Efeitos da execução prévia do exercício físico e cognitivo sobre a estratégia de prova no ciclismo: um estudo acerca dos componentes centrais e periféricos da fadiga neuromuscular." Universidade de São Paulo, 2016. http://www.teses.usp.br/teses/disponiveis/39/39132/tde-15072016-095944/.

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O objetivo do presente estudo foi analisar os efeitos da execução prévia de exercício físico e cognitivo sobre os componentes central e periférico da fadiga neuromuscular durante um teste contrarrelógio de 4 km de ciclismo. Para tanto, oito ciclistas treinados (n = 8) participaram de três diferentes estudos. No estudo 1, os atletas realizaram o teste contrarrelógio após assistir documentário (CON) ou após tarefa cognitiva (TC). No estudo 2, o teste de 4 km de ciclismo foi realizado após 100 drop jumps (DJ), 48 horas após 100 drop jumps (48h-DJ) e sem a realização prévia de exercício (CON). No

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Doix, Aude-Clémence. "Stratégies d’activation neuromusculaires de la fatigue musculaire volontairement et électriquement induite : mécanismes sous-jacents et implications cliniques." Thesis, Nice, 2013. http://www.theses.fr/2013NICE4098/document.

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La prise en charge thérapeutique de la fatigue musculaire par le biais d’exercices physiques vise à améliorer la qualité de vie et implique habituellement des exercices unilatéraux ou l’électrostimulation neuromusculaire pour compenser une fonction musculaire altérée aussi bien chez les personnes saines ou dites vulnérables (e.g. atteintes d’une pathologie ou d’un traumatisme). La fatigue musculaire est une réduction de la capacité de production maximale de force, induite par l’exercice, que la tâche puisse être maintenue ou non (Bigland-Ritchie et al. 1983; Gandevia 2001; Enoka and Duchateau

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Macht, Jordon W. "THE EFFECT OF β-HYDROXY-β-METHYLBUTYRATE (HMB) SUPPLEMENTATION ON NEUROMUSCULAR PERFORMANCE FOLLOWING FATIGUING EXERCISE IN HEALTHY SUBJECTS". UKnowledge, 2015. http://uknowledge.uky.edu/khp_etds/23.

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Supporters of a nutritional supplement, β-Hydroxy-β-Methylbutyrate (HMB) supplementation, claim that it will increase the muscular strength gains and lean muscle mass gains seen during a resistance training program. It has been suggested that HMB supplementation does this by preventing muscle damage or by regenerating damaged muscle cell membranes. However, no research has evaluated the effect of HMB supplementation on low frequency fatigue. Therefore, the purpose of this study was to determine if three weeks of HMB supplementation could attenuate the effects of low frequency fatigue caused by

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Kilfoil, Monica Rosemonde. "Reliable isokinetic evaluation of strength and neuromuscular fatigue to determine the effects of pyridostigmine in subjects with post-poliomyelitis syndrome." Thesis, McGill University, 1992. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=56980.

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Two subject groups, seven PPS (4 males, 3 females) and 15 normal controls (9 females, 6 males) were matched on the basis of age, height and weight and participated in this study. Three repeated measurements were conducted to evaluate the reliability of isokinetic measurement of strength (at 4 velocities) and fatigability (25 reciprocal contractions at 3.14 rads.s$ sp{-1}$). Data from two subsequent test days were used to evaluate the fatigue responses of the PPS subjects while ON or OFF pyridostigmine. Significant strength differences were seen between the two groups, however there was no obse

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