15 cases were categorized as resistant type, with contracture of subscapularis muscle,co-contraction of teres major and latissimus dorsi muscle, and secondar y disorders of shoulder joint;

• (2)阻力型肩外展受限：15例，以肩胛下肌挛缩，肌电图检测示大圆肌、背阔肌有同步放电现象，肩关节出现继发性骨关节病变者为主；