37.肩關節脫位(shoulderdislocation)最常發生於哪一個方向?因為何種外力造成? (A)後方(posterior)/肩關節内收,内轉,屈曲(shoulde aduction rotation, flexion) (B)前方(anterior)/肩關節外展,外轉,伸展(shoulder uctiext rotation, extension) (C)下方(inferior)/肩關節外展,外轉(shoulder abduction,xottion (D)外側(lateral)/肩關內收,内轉shoulder dductione