The coracobrachialis is one of 3 muscles in the anterior compartment of the arm. The other two muscles are the biceps brachii and the brachialis.
Apex of coracoid process
Medial side of proximal shaft of humerus
Adduction of the humerus
Flexion of the arm at the glenohumeral joint
Musculocutaneous nerve (C5, C6, and C7)