Anconeus muscle
Muscle on the elbow joint / From Wikipedia, the free encyclopedia
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The anconeus muscle (or anconaeus/anconæus) is a small muscle on the posterior aspect of the elbow joint.
Quick Facts Details, Origin ...
Anconeus muscle | |
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Details | |
Origin | Lateral epicondyle of the humerus proximally |
Insertion | Lateral surface of the olecranon process of the ulna and the superior proximal part of the posterior ulna |
Artery | Deep brachial artery, recurrent interosseous artery |
Nerve | Radial nerve (C5, C6, C7, C8, and T1) |
Actions | It is partly blended in with the triceps, which it assists in extension of the elbow. It also stabilizes the elbow during pronation and supination and pulls slack out of the elbow joint capsule during extension to prevent impingement. |
Identifiers | |
Latin | musculus anconeus, musculus anconaeus |
TA98 | A04.6.02.023 |
TA2 | 2510 |
FMA | 37704 |
Anatomical terms of muscle |
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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,[4] while others consider it part of the posterior compartment of the forearm.[5]
The anconeus muscle can easily be palpated just lateral to the olecranon process of the ulna.[6]