physical exertion - 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"gymnastic exercise - (gymnastics) an exercise designed to develop and display strength and agility and balance (usually performed with or on some gymnastic apparatus) kick up - raising the feet backward with the hands on the ground; a first movement in doing a handstand exercise set, set - several exercises intended to be done in series; "he did four sets of the incline bench press" isometric exercise, isometrics - muscle-building exercises (or a system of muscle-building exercises) involving muscular contractions against resistance without movement (the muscles contracts but the length of the muscle does not change) isotonic exercise - exercise in which opposing muscles contract and there is controlled movement (tension is constant while the lengths of the muscles change); "the classic isotonic exercise is lifting free weights" stretching, stretch - exercise designed to extend the limbs and muscles to their full extent arm exercise - exercise designed to strengthen the arm muscles leg exercise - exercise designed to strengthen the leg muscles yoga - a system of exercises practiced as part of the Hindu discipline to promote control of the body and mind |