The<unk> , also known as the<unk><unk>  joint (PRUJ), 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.
Proximal radioulnar articulation
Distal radioulnar articulation
Ulnar claw
Axon hillock
Pivot joint
Golfer's elbow
Radial plane
Carpometacarpal bossing