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origin, back of lateral condyle of humerus; insertion, olecranon process and posterior surface of ulna; action, extends forearm and abducts ulna in pronation of wrist; nerve supply, radial.
Farlex Partner Medical Dictionary © Farlex 2012
anconeusMusculus anconeus [NA6].
Extends elbow and abducts ulna in pronation.
Posterior surface of the lateral epicondyle of humerus and adjacent capsule of elbow joint.
Olecranon process and posterior surface of ulna.
Tricep extension with a resistance band.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.
anconeus(ang-kō′nē-ŭs) [L. fr. Gr. ankōn, elbow]
The short extensor muscle of the forearm, located on the back of the elbow. It arises from the back portion of the lateral epicondyle of the humerus, and its fibers insert on the side of the olecranon and upper fourth of the shaft of the ulna. It extends the forearm and stabilizes the ulna in pronation of the wrist.
Medical Dictionary, © 2009 Farlex and Partners