Sport in old age: advantages and risks.
D000368:Aged; D006321:Heart / Q000502:physiology; D006801:Humans; D008660:Metabolism; D009132:Muscles / Q000502:physiology; D010101:Oxygen Consumption; D010806:Physical Education and Training / Q000379:methods; D010809:Physical Fitness; D012306:Risk; D013997:Time Factors