Coracobrachialis

Origin:

Apex of the coracoid process (along with the tendon of the short head biceps brachii of the scapula, and the intermuscular septum between the biceps brachii and coracobrachialis.   Coracobrachialis, Shoulder muscles

Insertion:

Medial surface of the middle of the shaft of the humerus, opposite the deltoid tuberosity.

Nerve: Musculocutaneous nerve.

 

Stabilization:  Glenohumeral joint.

Eccentric work :  Shoulder extension, abduction, internal and external rotation

 

Synergists:

The coracobrachialis is a synergist to the anterior deltoid, clavicular head of the pectoralis major and biceps brachii during flexion.

It is also a synergist to the pectoralis major, latissimus dorsi and teres major during adduction.

 

Fascial Integration: 

 Fascial sheaths not only play a role in the transmission of mechanical force, but it may  also play a role in finding the function of muscular synergies pattern.

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