Coracobrachialis
Arms
Deep muscle — it lies under other muscles. X-ray makes the muscles over it see-through.
- Origin
- Tip of the coracoid process of the scapula
- Insertion
- Middle of the inner surface of the humerus
- Action
- Flexes and adducts the arm at the shoulder
- Nerve supply
- Musculocutaneous nerve (C5–C7)
A small muscle on the upper inner arm, starting together with the short head of the biceps. It helps lift the arm forward and draw it toward the body.
Coracobrachialis anatomy page →