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Medical Term:

posterior compartment of forearm

Definition

posterior portion of the space enclosed by the antebrachial fascia, separated from the anterior compartment by the radius and ulna and by the intervening interosseous membrane; the spaces are demarcated superficially by the subcutaneous border of the ulna and the (pulse of the) radial artery; contains a supinator of the forearm, extensors of the hand at the wrist, and long extensors of the digits, all innervated by the radial nerve.

Synonym(s): compartimentum antebrachii posteriusTA, compartimentum antebrachii extensorum, extensor compartment of forearm

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