胸肋肩胛肌综合征及其异常肌的出现率,文献报导较少。我们在102具(204侧)成尸锁骨区的肋锁间隙进行解剖,观测了胸肋肩胛肌,发现6例(女3、男3),出现率2.94%。六例胸肋肩胛肌都居肋锁间隙内,于锁骨下动静脉及臂丛的夹角近于直角。肌肉起止点为:三例男性,以细腱起于第一肋软骨和胸骨柄上角,止于肩胛切迹和肩胛舌骨肌起点之间占1.5%。三例女性,以细腱,仅起于第一肋软 Breasted rib scapular syndrome and the incidence of abnormal muscle, the literature reported less. We dissected 102 patients (204 sides) into the clavicle area of ​​the rib lock space dissection, observed the chest rib scapula muscle, found in 6 cases (3 female, 3 male), the occurrence rate of 2.94%. Six cases of chest shoulder scapular muscle are located in the space between the rib lock, the angle between the subclavian artery and brachial plexus near the right angle. Starting and ending points of muscle: three cases of men, with fine tendons in the first costal cartilage and sternum stem angle, ending in the shoulder blades and the starting point of the scapular hyoid muscle accounted for 1.5%. Three cases of women, with thin tendons, only from the first costal soft