AEROBIC VERSUS ANAEROBIC EXERCISE



AEROBIC VERSUS ANAEROBIC EXERCISE

ENERGY SOURCES FOR EXERCISE –

- Reserve ATP in your muscles (a few seconds worth)

- ATP from aerobic respiration

- ATP from lactic acid fermentation

AEROBIC EXERCISE –

- Examples – jogging, x-country skiing, jumping rope

- Benefits – good for weight control,

improves cardiovascular and respiratory functions,

good for conditioning and endurance,

controls blood sugar levels

- Involves activities of long duration and of low to moderate intensity (person able to maintain aerobic respiration throughout activity)

- Energy released more slowly than during anaerobic exercise

- After 15-20 minutes of exercise, fats start to be metabolized for energy

ANAEROBIC EXERCISE –

- Examples – sprinting, heavy weightlifting, numerous push-ups,

most competitive events will have anaerobic moments

- Benefits – increases skeletal muscle mass and strength,

increases bone strength and density,

improves the ability to withstand fatigue,

boosts metabolism and oxygen capacity.

- Involves short, intense bursts of activity

- The intensity of activity prevents the heart and lungs from getting enough oxygen to the muscles

- Uses carbohydrates, such as glucose and glycogen

- Produces lactic acid – related to muscle soreness and fatigue (lowers pH which then interferes with enzyme activity and aggravates nerve endings)

- Produces “oxygen debt”

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