70kg male athlete - Liver glycogen 90g and muscle.Stores of carbohydrate in a typical athlete are: It requires less oxygen to be burnt than either Protein or fat. Glucose in the liver and muscles and is the most efficient energy source as This composition will vary from person to person (Hamilton 2005). The electrolyte composition of sweat is variable but comprisesĪ litre of sweat typically contains 0.02g Calcium, a total of 0.05g Magnesium, 1.15g Sodium, a 0.23g potassium, and a 1.48g Chloride. they help maintain the acid-base balance required for. they control the osmosis of water between body.The effect of fluid loss on the body is as follows (Rehrer 1994) : % body weight lost as sweatĮlectrolytes serve three general functions in the body: If unchecked, it will lead to dehydration and eventually circulatory collapse and heat stroke. This results in the loss of body fluid and electrolytes (minerals such as chloride, calcium, magnesium, Sodium and Potassium). Sweating is how the body maintains its core temperature at 37 degrees centigrade. Two factors that will limit prolonged exercise. Depletion of the body's carbohydrate stores and dehydration are
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