Pronator quadratus muscle

Pronator quadratus muscle
Anterior view of left forearm. Deep muscles. (Pronator quadratus visible at bottom-center right.)
Details
OriginMedial, anterior surface of the ulna
InsertionLateral, anterior surface of the radius
ArteryAnterior interosseous artery
NerveMedian nerve (anterior interosseous nerve)
ActionsPronates the forearm
AntagonistSupinator muscle
Identifiers
Latinmusculus pronator quadratus
TA98A04.6.02.038
TA22493
FMA38453
Anatomical terms of muscle

Pronator quadratus is a square-shaped muscle on the distal forearm that acts to pronate (turn so the palm faces downwards) the hand.

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