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pronator quadratus (muscle)


Definition: muscle of deep layer of anterior (flexor) compartment of forearm; origin, distal fourth of anterior surface of ulna; insertion, distal fourth of anterior surface of radius; action, pronates forearm; nerve supply, anterior interosseous.

Synonym(s): musculus pronator quadratusTA, quadrate pronator muscle

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.