exercising -
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"
calisthenics,
callisthenics light exercises designed to promote general fitness; "several different calisthenics were illustrated in the video"
isometric exercise,
isometrics muscle-building exercises (or a system of musclebuilding 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"
