Origin
Lateral epicondyle of humerus & posterior border of ulna
Insertion
Base of the fifth metacarpal
Actions
- Extends the wrist
- Adducts the wrist
Innervation
- Posterior interosseous nerve (C7, C8)
Blood Supply
- Ulnar artery
- Posterior interosseous artery
Would you like to learn more about the extensor carpi ulnaris muscle? Then check out the extensor carpi ulnaris muscle article and video by clicking the link below: Extensor Carpi Ulnaris Muscle Anatomy
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