pronator quadratus


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pronator quadratus

[prōnā′tər]
a muscle of the forearm. It originates on the distal fourth of the anterior surface and border of the ulna and inserts onto the distal fourth of the anterior surface of the radius. It functions to pronate the forearm and hand.
References in periodicals archive ?
The dorsal sheath is then incised to reveal the pronator quadratus muscle, which is then reflected off the radius to reveal the underlying bone.
Therefore, a volar plate is housed under the pronator quadratus muscle.
Dynamic stabilizers of the DRUJ include the extensor carpal ulnaris (ECU) and the pronator quadratus.
This may be done by a variety of methods including a slip of dorsal retinaculum or a transfer of the pronator quadratus to the ECU sheath dorsally.