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 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
Exercise-kcal consumed/hour
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
Tennis 500
Coitus 450
Walking 400