Physiology Of Aerobic Exercise
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What is the Physiology of Aerobic Exercise?
Exercise can be aerobic or anaerobic. Aerobic activities can include jogging, swimming, treadmill, and any other exercise that increases your body's oxygen use significantly. An example of an anaerobic activity is weight training. Your body uses 3 sources of fuel during exercise
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Glycogen
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Fat
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Protein
Physiology Of Aerobic Exercise - Glycogen
Glycogen is the stored form of carbs (carbohydrates). High intensity aerobic exercise relies on carbohydrates as part of it's fuel. As your exercise intensity increases, you body switches from burning fat to burning carbohydrates. Muscle glycogen and blood sugar make up the carbohydrates that are burned during high impact aerobics.
Physiology Of Aerobic Exercise - Fat
Fat from body tissue and muscle account for almost all fuel burned during low intensity aerobic exercise such as walking. Fat is also a primary source of fuel for high intensity aerobic exercise such as running, biking, and swimming especially in the beginning stages of the aerobic activity.
Physiology Of Aerobic Exercise - Protein
When your aerobic activity has been at high intense levels for an extended period of time, you can expect the carbohydrates in your body to be depleted and thus the protein in your muscles is used for fuel. The longer the extended period, the more muscle you will lose. This is why many long distance runners lack muscle tissue.
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Physiology Of Aerobic Exercise