在解剖一具６０岁左右男性尸体过程中，发现其双侧胸小肌止点变异，报道如下：其双侧胸小肌起点正常，起于第３、４、５肋骨前面；止点以肩胛骨喙突为滑车，以肌腱绕过喙突在冈上肌肌腱上方止于内侧肩关节囊的内层。腱长度为３ｃｍ。在胸小肌肌腱绕行喙突的行程中，有一束增厚 In the dissection of a 60-year-old man’s body during the process, found that its bilateral pectoralis minor point variation, reported as follows: the bilateral pectoralis minor normal starting from the 3,4,5 ribs in front; only to the shoulder blade The coracoid is a trochlea that traverses the coracoid over the tendon of the supraspinatus just beyond the medial layer of the medial shoulder capsule. Tendon length of 3cm. There is a bunch of thickening in the process of coracoid tendon bypass