Advanced Sports Physiology - Essay Example

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Advanced Sports Physiology

2005; Hosey, Glazer, 2004) This short review is dedicated to the issues associated with thermoregulation and dehydration influence athletic capacity during endurance events.The specific changes in the organism of athletes (Reilly, Drust, Gregson 2006; Morris et al. 2005, etc) provide the perfect adaptation to the usual environment however in extreme environmental conditions the heat or cold stress can occur and cause serious health problems (Murray, 1998; Kains et al., 1983). The conditions include heat stroke, heat cramps, heat exhaustion, heat oedemas, cardiac events and gastrointestinal symptoms (Murray, 2006; Moses, 2005; Weinmann, 2003; Hedley, Climstein, Hansen, 2002)There is well known that during exercises the metabolism is changed. Prolonged sport training is characterized with the increase of fatty acids oxidation and decrease in carbohydrates oxidation. These changes are supported by the hormonal influences (epinephrine, thyroid hormones, insulin and glucagon). Oxidation of carbohydrates leads to the production of lactic acid and fat oxidation is a source of acidic products thus acidosis can occur (Coyle, 1999; Durkot et al. 1995; Gordon et al., 1985). On the other hand high breathing rate during exercises can cause the condition of respiratory alkalosis (White, 2006). Physical endurance is characterized by the homoeostatic balance and the improved adaptive abilities (Reilly, Drust, Gregson, 2006). ...Show more

Summary

As homoiothermic organisms humans keeps the constant body temperature throughout life.The mechanisms of the temperature maintenance (i.e. thermoregulation) depend on the intensity of metabolic processes and environment…
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