Meaning of PHYSICAL EXERTION

WordNet Dictionary
	Definition:		[n]  the activity of exerting your muscles in various ways to keep fit; "the doctor recommended regular exercise"; "he did some exercising"; "the physical exertion required by his work kept him fit"
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	Synonyms:		exercise, exercising, physical exercise, workout
	See Also:		aerobic exercise, aerobics, anaerobic exercise, arm exercise, back exercise, bodybuilding, calisthenic exercise, calisthenics, callisthenic exercise, callisthenics, conditioner, effort, elbow grease, exercise set, exertion, isometric exercise, isometrics, isotonic exercise, jogging, Kegel exercises, kick up, leg exercise, musclebuilding, neck exercise, pubococcygeus exercises, set, stomach exercise, stretch, stretching, sweat, travail, yoga