在教学中发现一成年男尸双臂的三角肌多肌腹伴肱骨附着位置异常1例。异常的三角肌由下向上呈10条放射状肌腹。经解剖学追踪发现,三角肌起自锁骨外侧1/3,肩峰和肩胛冈外侧1/3之间。10条肌腹包绕肩关节,由后上向前下旋转走行,最后呈一条直线,穿过喙肱肌与肱二 In teaching found that an adult male corpse with deltoid muscle dumbbell with a fixed position of the humerus in 1 case. The abnormal deltoid muscle showed 10 radial muscle belly from the bottom up. Anatomical tracing found that the deltoid muscle from the outer side of the clavicle 1/3, 1/3 between the acromion and scapular Gang. 10 muscle belly around the shoulder joint, from the top to the bottom under the rotation of walking, the last was a straight line, through the beak and brachii brachial