7.30.2011

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is exercise intense enough to trigger anaerobic metabolism.
It is used by athletes in non-endurance sports to promote strength, speed and power and by body builders to build muscle mass.
Muscles energy systems trained using anaerobic exercise develop differently compared to aerobic exercise, leading to greater performance in short duration, high intensity activities, which last from mere seconds up to about 2 minutes.
Any activity after about two minutes will have a large aerobic metabolic component.

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