24 - 2008-10-24 2008-10-24 Nutri Sci 10/24 2008-10-24...

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Nutri Sci 10/24 14:52 Intermediate energy system Glucose o Anaerobic glcedysis o Aerobic metabolism Fat as fuel  o B-oxidation o Requires O2 o Lower intesisites o Sources Subcutaneous Intramuscular Visceral Release fat into the blood o Important in longer duration exercise Glycogen   2000 kcal Fat   40,000 kcal (lean person…skinny) Protein as a fuel o Rarely more than 10% of energy o Gluconeogenesis o Brain needs glucose (only burns glucose NOT fat) o High protein   stored as fat Body response do exercise o Fuel use, assuming you are fed  o Is a function of intensity and duration of exercise o Body preserves muscle Res ot light work
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Nutri Sci 10/24 14:52 o 70-90% of energy from fat high intensity, short duration  o CHO 80-90% Muclse glycogen Lactate produced Training effects o Better able to burn fat  More mitochondria
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24 - 2008-10-24 2008-10-24 Nutri Sci 10/24 2008-10-24...

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