Extensor Carpi Ulnaris
Origin: Lateral epicondyle of humerus via the common extensor tendon
Insertion: Tubercles on the medial side of the base of the fifth metacarpal
Actions: Extension of the wrist
Innervation: Radial nerve (C6 C7 C8)
Blood Supply: Posterior interosseous artery from the ulnar artery
Primary Actions of the Extensor Carpi Ulnaris
1. Extension of the wrist
Agonists
- Extensor carpi radialis longus
- Extensor carpi brevis
Antagonists:
- Flexor Carpi Radialis Longus
- Flexor Carpi Ulnaris
- Palmaris Longus
2. Ulnar deviation of the wrist
Agonists:
- Flexor Carpi Ulnaris
Antagonists:
- Extensor Carpi Radialis Longus
- Extensor Carpi Radialis Brevis
- Flexor Carpi Radialis
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Information about cause and effect of Extensor Carpi Ulnaris pain: Extensor Carpi Ulnaris Muscle: Wrist Pain
An excellent book for those beginning the study of anatomy. Coloring helps memory retention.
For intermediary anatomy students learning skeletal and muscle structure.
For beginning and intermediary anatomy . Muscle overlays on the human body. Excellent visuals!
