【名词&注释】
踝关节(ankle joint)、肘关节(elbow joint)、肩关节(shoulder joint)、腕关节(wrist joint)
[多选题]关节外伤脱位常发生在 ( )
A. 肘关节 B. 肩关节 C. 踝关节 D. 腕关节(wrist joint) E. 胸椎