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low-impact aerobicsAny type of aerobic exercise which promotes physical fitness but does not stress musculoskeletal tissues and joints—e.g., walking, swimming, bicycling.
exercisePublic health The rhythmic contraction of muscles against a force Pros ↓ risk of cholecystectomy, ↓ risk of CAD, CHD, CA–colorectal, breast, prostate, DM–improved insulin utilization, obesity, stroke, osteoporosis, stress, anxiety; ↑ sexual pleasure, strength, flexibility, stamina, psychological well-being, general health; improved reaction time, memory, moods, immune resistance, sleep, self-confidence, control of arthritis, weight, quality of life. See Aerobic exercise, Anaerobic exercise, Breathing exercise, Cardiovascular exercise, Codman's pendulum exercise, Hoshino exercise, Isometric exercise, Isotonic exercise, Pritikin exercise, Vigorous exercise.
• 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
• Low-impact aerobics Any type of aerobic exercise that promotes physical fitness, but does not stress musculoskeletal tissues, and joints; low-impact aerobic exercises include walking, swimming, bicycling
• High-impact aerobics Any type of aerobic exercise that promotes physical fitness, at the risk of stress to musculoskeletal tissues, and joints; high-impact aerobic exercises include aerobic dancing, basketball, running, volleyball
Distance running (15 km/hour) 1000
Contact sports (wrestling, karate) 900
Bicycling (25 km/hour) 800
Swimming, freestyle 800
Basketball, volleyball 700
Jogging (9 km/hour) 600