Category: Physiology

bioenergetics

Bioenergetics: Aerobic versus Anaerobic Energy Production

While we are all familiar with aerobic activity, defined in the early 1970s by Dr. Kenneth Cooper as activity during which the cardiorespiratory system provides enough oxygen for muscular effort, most of us associate anaerobic activity with that very hard effort we do during intervals. The fact is that each non-sequential muscular effort, such as turning your head, entails some measure of energy production in the absence of oxygen, qualifying it as anaerobic.

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Endorphins

The Power of Endorphins

Runner’s “high” is so-called because of the euphoria associated with the release of feel-good chemicals in the brain, of which endorphins are one category. From…

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