Supernumerary Heads Of Biceps Brachii With Median Nerve And Brachial Vessels Passing Through The Third Head

ABSTRACT

A rare case of four-headed biceps brachii was observed during routine dissection on 60-year -old female oldcadaver. The short head and long head had normal origin. The third head was originating from the humerusbelow the insertion of coracobrachialis, whereas fourth head was coming from the greater tubercle of thehumerus. The median nerve and brachial vessels were passing through the third head. These variations areimportant because they could compress median nerve and brachial vessels