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
 Left humerus. Posterior view. |
 Bones of left forearm. Posterior aspect. |
 Posterior surface of the forearm. Deep muscles. |
 Arteries of the back of the forearm and hand. |
 The suprascapular, axillary, and radial nerves. |
References
- ↑ Williams, P. et al, 1995, Gray's Anatomy, 38th ed., Churchill Livingstone
- ↑ Jones, W. et al.(eds) , 1953, Buchanan's Manual of Anatomy, 8th ed., Balliére, Tindall and Cox., pp. 496
- ↑ Grant, J. & Basmajian J., 1965, Grant's Method of Anatomy, 7th ed., The Williams & Wilkins Company, Baltimore, pp. 163-164
External links
- LUC anco
- Anconeus+muscle at eMedicine Dictionary
- PTCentral
- Image at dubinchiro.com
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