Scapula肩胛骨 Three angles a Super ior opposite to the 2nd rib o Inferior opposite to the 7th rib o Lateral gleno I a cavity关节 孟,Scapula 肩胛骨 ◼ Three angles ❑ Superior: opposite to the 2nd rib ❑ Inferior: opposite to the 7th rib ❑ Lateral: glenoid cavity关节 盂