Challenge of the aging hip.
D000368:Aged; D000375:Aging; D001174:Arthrodesis; D001178:Arthroplasty; D005269:Femur / Q000601:surgery; D006615:Hip / Q000000981:diagnostic imaging / Q000601:surgery; D006621:Hip Joint; D006801:Humans; D008722:Methods; D009132:Muscles / Q000601:surgery; D010003:Osteoarthritis / Q000175:diagnosis / Q000000981:diagnostic imaging / Q000209:etiology / Q000601:surgery; D010027:Osteotomy; D011859:Radiography