Extensor carpi ulnaris | |
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![]() 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.