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Extensor carpi ulnaris
Group
Thoracic
Origin
Lateral epicondyle of humerus and posterior border of the ulna
Insertion
Base of the 5th metacarpal
Action
Extends the hoof
Innervation
Posterior interosseous nerve (C7 and C8), the continuation of the radial nerve
Blood Supply
Ulnar artery
Retail Cuts
Shank Cross Cuts