proximal radioulnar articulation
(redirected from Proximal radio-ulnar joint)prox·i·mal ra·di·o·ul·nar joint
[TA]the pivot synovial joint between the head of the radius and the ring formed by the radial notch of the ulna and the annular ligament.
proximal radioulnar articulation
the pivot joint between the circumference of the head of the radius and the ring formed by the radial notch of the ulna and the annular ligament. The joint allows the rotary movements of the head of the radius in pronation and supination. Also called superior radioulnar joint. Compare distal radioulnar articulation.