posterior compartment of arm(redirected from extensor compartment of arm)
posterior compartment of arm[TA]
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 posterius [TA], compartimentum brachii extensorum ☆ , extensor compartment of arm ☆
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