Anconeus is a small muscle that acts weakly in extension and pronation of the forearm.
|Function:||Extension of elbow, ulnar movement in pronation|
|Origin:||Posterior aspect of lateral epicondyle of humerus|
|Insertion:||Lateral side of olecranon of ulna|
|Innervation:||Radial nerve (C7, C8)|
|Search for Anconeus in Gray's.|
Anconeus is a small triangular muscle on the posterior aspect of the elbow. Its fibres diverge from the tendon of origin to a relatively larger insertion.
Anconeus may represent an extension of triceps, although there is no direct connection between the two tendons.
- A smooth area of the posterior surface of the lateral epicondyle of the humerus