Supinator
Original Editor - Kate Sampson,
Top Contributors - Kate Sampson, Kim Jackson, Nina Myburg, 127.0.0.1 and Joao Costa;
Description 
[edit | edit source]
Spinator is located in the posterior compartment of the forearm. It is the prime supinator of the forearm and has a broad origin from the ulna and humerus and extends down to the posterior surface of the proximal third of the radius. [1]
Anatomy[edit | edit source]
Origin[edit | edit source]
- Lateral epicondyle of the humerus
- Annular ligament
- Supinator Cest fossa of the ulna [2]
Insertion[edit | edit source]
- Proximal third of the radius on the anterolateral surface, distal to the radial tuberosity. [2]
Nerve supply[edit | edit source]
Supinator is supplied by the posterior interosseous brach of the radial nerve (C5, C6) [3]
Function[edit | edit source]
Supinator works with biceps brachii if powerful supination is required. However biceps brachii is unable to function to supinate when the elbow is extended[3]
Assessment[edit | edit source]
Palpation[edit | edit source]
Place the patients arm in extension at the elbow and the forearm in midposition. Actively resist supination and palpate along the posterior part of the proximal third of the radius. [3]
Power[edit | edit source]
Length[edit | edit source]
Treatment[edit | edit source]
Resourses[edit | edit source]
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See also[edit | edit source]
Recent Related Research (from Pubmed)[edit | edit source]
References[edit | edit source]
- ↑ Drake RL, Vogl W, Mitchell AWM. Gray's anatomy for students. London: Churchill livingstone. 2005
- ↑ 2.0 2.1 Martini FH. Fundamentals of Anatomy and Physiology. Seventh Edition. Pearson Education Inc, 2006.
- ↑ 3.0 3.1 3.2 Palastanga N, Field D, Soames R. Anatomy and human movement. Structure and function. 5th ed. London: Butterworth Heinemann Elsevier, 2006
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