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https://upload.orthobullets.com/topic/10034/images/extensor-carpi-ulnaris.jpg

Origin Lateral epicondyle of humerus and posterior border of ulna
Insertion Base of 5th metacarpal
Action Wrist extension and wrist adduction

Innervation Posterior interosseous nerve (C7 and C8)
Arterial Supply Ulnar artery

   
 

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