BACKGROUND: Fracture of the anteromedial facet of the coronoid was recently recognized as a distinct type of coronoid fracture resulting from a varus posteromedial rotational injury force.

• 背景：最近认为尺骨冠突前内关节面骨折是一种非凡类型的冠突骨折，由内翻并向后内旋转的暴力引起。