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posterior compartment of arm

 

Definition: posterior portion of the space enclosed by the brachial fascia, separated from the anterior compartment by the humerus and the lateral and medial intermuscular septa that extend from it; contains the triceps muscles that extend the forearm at the elbow joint and are innervated by the radial nerve.

Synonym(s): compartimentum brachii posteriusTA, compartimentum brachii extensorum, extensor compartment of arm

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© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.
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