pronator quadratus muscle


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Related to pronator quadratus muscle: Brachioradialis muscle, supinator muscle

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