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Fatigue In The Body: Exercise Physiology

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Fatigue in the Body
William Cotton
Exercise Physiology

Fatigue can occur anywhere in the body. Fatigue is defined as the inability of an organism, organ, or part to function normally because of prolonged exertion. It is a result of mental and physical exertion. Fatigue is something that almost everyone experiences no matter what field of work s/he may be working with. Athletes are the main focus when talking about fatigue. This is because athletes are the population that performs prolonged exertions the most. A lot must occur before fatigue sets in an individual. The central nervous system and the peripheral nervous system are the main sites of where fatigue can occur. Within these are a numerous of amounts of sites that fatigue …show more content…

The CNS would be considered fatigued if there were a reduction of in motor units or a reduction in the frequency of firing. The central nervous system is the brain and the spinal cord. The CNS main function for performance is arousal and motivation. The athlete can be aroused enough or too much for performance. Both of these factors can lead to fatigue. The athlete has to be in the right state of mind- arousal- to perform. Being over aroused or under aroused can lead to decreased performance. Motivation from the CNS plays a role in performance and fatigue. How motivated the athlete is depends on how the athlete will perform. Big time games should be treated as blow out games in order to see the same results. These two can be described easily in terms of motor unit …show more content…

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