Extensor carpi ulnaris muscle
| Extensor carpi ulnaris | |
|---|---|
| Posterior surface of the forearm. Extensor carpi ulnaris labeled in purple at center right. | |
| Details | |
| Origin | Humeral head: Lateral epicondyle of the humerus. (???-->)Ulnar head: Olecranon, posterior surface of ulna, antebrachial fascia | 
| Insertion | 5th metacarpal | 
| Artery | Ulnar artery | 
| Nerve | Posterior interosseous nerve | 
| Actions | Extends and adducts the wrist | 
| Antagonist | Flexor carpi radialis | 
| Identifiers | |
| Latin | musculus extensor carpi ulnaris | 
| TA98 | A04.6.02.045 | 
| TA2 | 2507 | 
| FMA | 38506 | 
| Anatomical terms of muscle | |
In human anatomy, the extensor carpi ulnaris is a skeletal muscle located on the ulnar side of the forearm. The extensor carpi ulnaris acts to extend and adduct at the carpus/wrist from anatomical position.
Being an extensor muscle, extensor carpi ulnaris is located on the posterior side of the forearm.