pro·na·tor quad·ra·tus mus·cle

(prō-nā'tōr kwa-drat'ŭs mŭs'ĕl)

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 quadratus [TA] .

Medical Dictionary for the Health Professions and Nursing © Farlex 2012

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References in periodicals archive

Synostosis type 1 can be treated with Sauve-Kapandji procedure if the distal radioulnar joint is affected by degenerative process and the bony bridge is under the pronator quadratus muscle. In type 2 synostosis, the most appropriate treatment seems to be the excision of the bony bridge and interposition of inert material.

Surgical Treatment of Posttraumatic Radioulnar Synostosis

The pronator quadratus muscle is raised from lateral border of the radius and lie in a horizontal position carefully.

Clinical Outcomes of Radial Shortening Osteotomy and Vascularized Bone Graft in Kienbock's Disease

[9] Symptoms can occur from direct compression, edema of the tenosynovium, swollen pronator quadratus muscle, hematoma in the carpal canal or, rarely, from bony fractured edges.

Complications of distal radius fracture fixation

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