Factors predisposing to sports injury in school boy rugby players.
D000293:Adolescent; D001265:Athletic Injuries / Q000209:etiology*; D001824:Body Constitution; D006801:Humans; D007869:Leg Injuries / Q000209:etiology; D008297:Male; D009132:Muscles / Q000502:physiology; D011187:Posture; D013177:Sports; D013180:Sprains and Strains / Q000209:etiology