摘要

<正>Sub-articular,post-traumatic necrosis Occurs only on convex surfaees of bone Medial condyle of femur Capitellum Proximal surface of talus Head of 1st metatarsal Most patients are athletic Direct blow is more common cause than a rotational injury 医学词汇注释与简要讲解Medial condyle内侧髁Capitellum肱骨小头胫骨近端关节面 metatarsal 跖骨Blow撞击