end: Arrow, long head of the biceps tendon; dashed line, insertion of the line, insertion of the subscapularis subscapularis tendon; Co, tendon; Co, coracoid coracoid ; ; Del, deltoid muscle; LT, lesser Del, deltoid muscle; LT, lesser tuberosity tuberosity ; ; SubS SubS , , subscapularis subscapularis tendon; void arrowheads, tendon fascicles tendon; void arrowheads, tendon fascicles of the of the subscapularis subscapularis ; white arrowheads, muscle tissue ; white arrowheads, muscle tissue interposed between tendon fascicles interposed between tendon fascicles ??图例: 图例: 箭号,肱二头肌长头腱;虚线,肩胛下肌肌腱附箭号,肱二头肌长头腱;虚线,肩胛下肌肌腱附着处; 着处; Co Co 喙突; 喙突; Del, Del, 三角肌; 三角肌; LT, LT, 小结节; 小结节; SubS SubS , , 肩胛下肩胛下肌肌腱;空心箭头,肩胛下肌肌腱束;白色箭头,插入肌肌肌腱;空心箭头,肩胛下肌肌腱束;白色箭头,插入肌腱束之间的肌肉组织; 腱束之间的肌肉组织;