单项选择题
A.尺侧副韧带B.桡侧副韧带C.环状韧带D.腕横韧带
A.肱尺关节和桡尺关节B.肱尺关节和近侧桡尺关节C.肱尺关节和远侧桡尺关节D.近侧和远侧桡尺关节
A.喙肱肌和小圆肌B.喙肱肌和肱二头肌C.肱二头肌和肱三头肌D.肱三头肌和肩胛下肌