Editing Exercise intensity (section)

{{Short description|Amount of energy expended when exercising}}
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'''Exercise intensity''' refers to how much energy is expended when [[exercise|exercising]]. Perceived intensity varies with each person. It has been found that intensity has an effect on what [[fuel]] the body uses and what kind of adaptations the body makes after exercise. Intensity is the amount of physical power (expressed as a percentage of the [[maximal oxygen consumption]]) that the body uses when performing an activity. For example, exercise intensity defines how hard the body has to work to walk a mile in 20 minutes.<ref>{{Cite web|title=Fitness Fundamentals: Guidelines for Personal Exercise Programs|website=www.fitness.gov|publisher=The President's Council of Physical Fitness and Sports|url=http://www.fitness.gov/fitness.htm|access-date=2011-04-05|archive-url=https://web.archive.org/web/20110403170118/http://www.fitness.gov/fitness.htm|archive-date=2011-04-03}}</ref>