Proximal radioulnar joint

The proximal radioulnar articulation (superior radioulnar joint) is a synovial 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 proximal radioulnar articulation (superior radioulnar joint) is a synovial 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. This article incorporates text in the public domain from page 324 of the 20th edition of Gray's Anatomy (1918)