Coracobrachialis Muscle And Triceps. The coracobrachialis is a long thin muscle that acts exclusively on the shoulder joint. Additionally it serves as an adductor and internal rotator of the shoulder and stabilizes the shoulder joint when the arm is at the side.
Coracobrachialis originates on the coracoid process of the scapula between the pectoralis minor and biceps brachii. Coracobrachialis muscle arises from the apex of the coracoid process in common with the short head of the biceps brachii and from the intermuscular septum between the two muscles. The triceps another well-known arm muscle.
Coracobrachialis inserts on the anterior and medial side of the shaft of the humerus between the brachialis and the medial head of triceps brachii.
Anatomy and structure of the arm triceps. It is inserted by means of a flat tendon into an impression at the middle of the medial surface and border of the body of the humerus shaft of the humerus between the origins of the triceps. Its main functions are to draw the arm forward and to pull the arm toward the midline of the body. It has three heads starting in different places.
