Anconeus Muscle
Origin: Posterior surface of the lateral epicondyle of the humerus
Insertion: Lateral aspect of the olecranon, extending to the lateral part of the ulnar body
Actions: Extension of the forearm at the elbow
Innervation: Radial nerve (C7 C8)
Blood Supply: Profunda brachii artery from the brachial artery
Primary Actions of the Anconeus
Due to its small size, the anconeus does not have any primary actions.
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Secondary Actions of the Anconeus
1. Extension of the forearm at the elbow
Agonists:
- Triceps Brachii
Antagonists:
- Brachialis
- Biceps Brachii
Anconeus is a weak extensor of the elbow, but acts primarily to pull the synovium of the elbow joint out of the joint line during extension of the elbow.
Information about cause and effect of Anconeus pain: Anconeus Muscle: Elbow Pain
An excellent book for those beginning the study of anatomy. Coloring helps memory retention.
For intermediary anatomy students learning skeletal and muscle structure.
For beginning and intermediary anatomy . Muscle overlays on the human body. Excellent visuals!
