Fatigue and Recovery process

harry_bygraves
Mind Map by , created over 6 years ago

A-Levels P.E (Short term preparation) Mind Map on Fatigue and Recovery process, created by harry_bygraves on 05/29/2013.

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harry_bygraves
Created by harry_bygraves over 6 years ago
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Fatigue and Recovery process
1 Fatigue and factors that can cause it.
1.1 A reduced capacity to complete work brought about by a lack of oxygen, energy or muscle tiredness
1.2 depletion of fuels; fats, carbohydrates, proteins
1.3 Depletion of muscle glycogen stores
1.4 Accumulation of waste products
2 Centeral governor theory
2.1 theory suggests that fatigue is an emotional response by the brain to stop muscles from being exhausted
2.2 The role of lactic acid in the fatiguing process; does not intially impair performance but instead provides a fuel source for working muscles. However continued production of lactic acid increases the pH of the blood/ muscle cells and eventually causes exercise to stop.
2.3 Muscle fibre recruitment; current research shows that the body does not recruit more muscle fibres as fatigue sets in
2.4 Muscle glycogen depletion; shows that muscles never totally run out of glycogen stores during exercise. this fatigue can be delayed by teaching the Centeral Governor that going fater wont do the body harm
2.5 Also a link with dehydratin and temperature regulation
3 Process of recovery/EPOC/DOMS
3.1 Two phases of recovery; fast component and slow component
3.1.1 Fast component; concerned with restoration of muscle phosphagen stores and takes up to four minites
3.1.2 Slow component; this is the process of returning the body to pre-exercise condition; including heat dissipation, energy replenishment, rehydration and removal of lactic acid
3.2 Excess Post Oxygen Consumption refers to elevated ventialtion and breathing rates after exercise
3.3 Cool Down; significantly increase recovery time. Light exercise keeps capillaries dilated to oxidise lactic acid and remove waste product
3.4 DOMS; muscle stiffness after exercise. Caused by microscopic tears and trauma to muscles from high intensity training. This can be minimised by buillding training intensity gradually, cross training

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