Endurance is the act of sustaining prolonged stressful effort.
Endurance
exercise
Endurance exercise consists of performing low- to medium-intensity exercise for very
long periods of time. E.g., jogging or running several miles to hundreds of miles;
cycling dozens of miles to thousands of miles; swimming hundreds of yards to dozens
of miles.
Physical endurance is differentiated from other forms of physical stress in that in
endurance exercise fatigue of the muscles and cardiovascular system do not force the
effort to end. The need for sleep, the buildup of non-recyclable waste chemicals, the
depletion of convertible energy stores and other needed chemicals (e.g., water,
sodium), physical injury, psy
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