NCIt definition : A muscle that originates on the distal anteriomedial surface of the ulna and inserts
in the distal anteriolateral surface of the radius; it is involved in the pronation
of the forearm and is supplied by the anterior interosseous nerve and artery.;
Alternative definition : CDISC: A muscle of the forearm, in general extending from the distal anteromedial
surface of the ulna to the distal anterolateral surface of the radius; primary function
is pronation of the forearm.;