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Extensor Carpi Ulnaris (ECU)
Innervation: Radial-post. interosseous
Origin:Lat. epicondyle of humerus
Insertion:5th metacapal base
Action:Extend/adduct hand
Ulnar Head - Axial View
- Extensor Retinaculum
- ECU Subsheath
- ECU tendon
- Ulnar Styloid
- Ulnar Head
See Also:
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