Module 9 (Lec 1) - ExerEnvironment- heat and cold

Module 9 (Lec 1) - ExerEnvironment- heat and cold -...

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Exercise and the Environment High Temperature/Humidity Low Temperature/Wind
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Outline 1.  Types of heat loss 2.  Combined effect of temperature and humidity 3.  List guidelines for exercising in the heat 4.  Heat injuries 5.  Heat acclimatization 6.  Effects of cold and wind 7.   Exercise in cold environments
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Temperature Homeostasis
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Heat Production Basal metabolism or basal metabolic rate Additional heat production: Voluntary = Exercise – 70-80% of energy released as heat Involuntary Digestion (“thermic effect of food”) Shivering Uncoupling proteins (non shivering thermogenesis) e.g., brown fat Action of hormones such as T3/T4 and catecholamines on cellular metabolism
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Exercise in the Heat Maximizing heat loss is essential Evaporation  Guidelines for exercising Optimizing clothing when exercising in the heat Heat acclimatization Heat injury
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Module 9 (Lec 1) - ExerEnvironment- heat and cold -...

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