Bow legs and knock knees.
D001696:Biomechanical Phenomena; D001847:Bone Diseases / Q000209:etiology / Q000503:physiopathology; D002648:Child; D006801:Humans; D007717:Knee / Q000502:physiology / Q000503:physiopathology; D007866:Leg / Q000502:physiology / Q000503:physiopathology; D010007:Osteochondritis / Q000150:complications; D012279:Rickets / Q000150:complications / Q000628:therapy