143principle3

143principle3 - – size of muscle fibers and blood vessels...

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3 Physical Activity vs. Exercise • Physical activity - body movement carried out by skeletal muscle and requiring energy • Exercise - planned, structured, repetitive movement designed to improve or maintain physical fitness. • Level of fitness depends on physiological factors – hearts ability to pump blood
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Unformatted text preview: – size of muscle fibers and blood vessels • to develop fitness, physical activity must stress the body enough to cause long term physiological changes • only exercise will develop fitness – key is to set goals and develop a progressive program...
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This note was uploaded on 12/27/2011 for the course KIN 143 taught by Professor Asmundson during the Fall '09 term at Simon Fraser.

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