Assertion: isometric exercise | /r/MadeOf | muscle contraction
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text: See Aerobic exercise, Anaerobic exercise, Breathing exercise, Exercise Muscle • Isometric Exercise against an unmoving resistance; isometric exercises consist of muscle contraction with a minimum of other body movements; isometric exercises build muscle strength and include weight-lifting or squeezing a tennis ball • Isotonic Dynamic exercise Isotonic exercise consists of continuous and sustained movement of the arms and legs; isotonic exercises are beneficial to the cardiorespiratory systems and include running and bicycling Whole body • Low-impact aerobics