The joints of the lower extremities of football players.
D016512:Ankle Injuries; D000843:Ankle Joint / Q000000981:diagnostic imaging*; D006621:Hip Joint / Q000000981:diagnostic imaging; D006801:Humans; D007718:Knee Injuries / Q000175:diagnosis*; D007719:Knee Joint / Q000000981:diagnostic imaging*; D008297:Male; D010003:Osteoarthritis / Q000209:etiology; D011859:Radiography; D013178:Sports Medicine