posterior compartment of arm
(redirected from compartimentum brachii extensorum)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 ☆