NCIt definition : A muscle that originates from the proximal two-thirds of the lateral supracondylar
ridge of the humerus and inserts into the styloid process of the radius; it enables
flexion of the elbow and assists with pronation and supination of the forearm.;
Alternative definition : CDISC: A muscle in the forearm, in general extending from the proximal two-thirds
of the lateral supracondylar ridge of the humerus and inserting into the styloid process
of the radius; primary function is flexion of the elbow and pronation and supination
of the forearm.;