Anconeus

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Original Author(s): Oliver Jones
Last updated: October 5, 2022
Revisions: 1

Original Author(s): Oliver Jones
Last updated: October 5, 2022
Revisions: 1

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The anconeus is a muscle within the superficial compartment of the posterior forearm.

  • Attachments: Originates from the lateral epicondyle of the humerus and attaches to the olecranon of the ulna.
  • Actions: Abduction of the ulna during pronation of the forearm. Weak extensor of the elbow.
  • Innervation: Radial nerve.
  • Blood supply: Profunda brachii artery

Fig 1 – The muscles in the superficial layer of the posterior forearm.