Anconeus muscle

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Anconeus muscle
Back of right upper extremity. (Anconeus labeled at bottom center.)
Posterior surface of the forearm. Superficial muscles. (Anconeus visible at center right.)
Latin musculus anconeus
Gray's subject #125 454
Origin: lateral epicondyle of the humerus proximally
Insertion: lateral surface of the olecranon process and the superior part of the posterior ulna distally
Artery: deep brachial artery, recurrent interosseous artery
Nerve: radial nerve (C7, C8, and T1)
Action: It is partly blended in with the triceps, which it assists in extension of the forearm. It also stabilises the elbow and abducts the ulna during pronation.
Dorlands/Elsevier m_22/12548375

The anconeus muscle is a small muscle on the posterior aspect of the elbow joint.

Some consider anconeus to be a continuation of the triceps brachii muscle.[1][2][3]

Some sources consider it to be part of the posterior compartment of the arm, while others consider it part of the posterior compartment of the forearm.

The Anconeus muscle can be easily palpated just lateral to the olecranon process of the ulna.

Additional images


  1. Williams, P. et al, 1995, Gray's Anatomy, 38th ed., Churchill Livingstone
  2. Jones, W. et al.(eds) , 1953, Buchanan's Manual of Anatomy, 8th ed., Balliére, Tindall and Cox., pp. 496
  3. Grant, J. & Basmajian J., 1965, Grant's Method of Anatomy, 7th ed., The Williams & Wilkins Company, Baltimore, pp. 163-164

External links

ca:Múscul anconal cs:Loketní sval de:Musculus anconeus id:Otot anconeus hu:Könyökizom nl:Musculus anconeus sv:Anconeus