Brachialis muscle was seen uniformly to be consisting of 2 heads, superficial and deep. The superficial head forming the main bulk of the muscle originated from the anteromedial and anterolateral surface of the middle third of humerus ,embracing the deltoid insertion. In addition it also had attachement to the adjoining part of the lateral intermuscular septum. Its fibers ran vertically and terminated in a thick tendon to be inserted onto the ulnar tuberosity. Fibers of the deep head could be seen arising from the anterormedial and anterorlateral suaface of the distal third of the humerus. In addition fibers were seen to be attached to the medial and lateral intermuscular septum. Fibers of the deep
