| Coracobrachialis muscle | |
|---|---|
 Deep muscles of the chest and front of the arm, with the boundaries of the axilla. Coracobrachialis is shown in blue. | |
 Position of coracobrachialis muscle (shown in red) | |
| Details | |
| Origin | Coracoid process of scapula |
| Insertion | Anteromedial surface of humerus distal to crest of lesser tubercle |
| Artery | Brachial artery |
| Nerve | Musculocutaneous nerve (C5, C6, and C7) |
| Actions | Adducts humerus, flexes the arm at glenohumeral joint |
| Identifiers | |
| Latin | musculus coracobrachialis |
| TA98 | A04.6.02.017 |
| TA2 | 2468 |
| FMA | 37664 |
| Anatomical terms of muscle | |
The coracobrachialis muscle muscle in the upper medial part of the arm. It is located within the anterior compartment of the arm. It originates from the coracoid process of the scapula; it inserts onto the middle of the medial aspect of the body of the humerus. It is innervated by the musculocutaneous nerve. It acts to adduct and flex the arm.