Anconeus muscles works alongside Triceps Brachii in extending the elbow. It also acts to pull the synovial membrane out of the way of the olecranon process when the elbow is extending.

Origin

  • Posterior surface of the lateral condyle of the humerus

Insertion

  • Posterior surface of the upper ulna and its olecranon process

Actions

  • Elbow extension

Innervation

  • Radial nerve

Daily uses

  • Pushing a door closed

Elbow Joint Muscles:

 

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Brachioradialis

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