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Exercise intensity refers to how much energy is expended when 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.[1]
- ^ "Fitness Fundamentals: Guidelines for Personal Exercise Programs". www.fitness.gov. The President's Council of Physical Fitness and Sports. Archived from the original on 3 April 2011. Retrieved 5 April 2011.