Khaledpour C
Anat Anz. 1985;158(1):79-85.
The author studied the biceps brachii muscle with respect to the incidence of accessory heads (Caput accessorium) and compared the data obtained with those in different human races. Dissection of 552 human arms in Teheran and Mainz, revealed the presence of 2 biceps brachii muscles with accessory heads one of a right arm with one accessory head, the other on a left arm with two accessory heads. From data in the literature it is concluded that in the white race the incidence of accessory heads of the biceps brachii m. is relatively rare, high in the yellow race and intermediate in negroes.
作者研究了肱二头肌副头（额外头）的发生率，并将所得数据与不同人类种族的数据进行了比较。对德黑兰和美因茨的552条人类手臂进行解剖后发现，有2例肱二头肌带有副头，其中1例是右臂有1个副头，另1例是左臂有2个副头。从文献数据得出结论，在白种人中，肱二头肌副头的发生率相对较低，在黄种人中较高，在黑人中则处于中间水平。
