The<unk> , also known as the<unk>  radioulnar joint (DRUJ), is a synovial pivot-type joint between the two bones in the forearm; the radius and ulna. It is one of two joints between the radius and ulna, the other being the proximal radioulnar articulation. The<unk>  is the one of the two closest to the wrist and hand. The<unk>  pivot-joint formed between the head of ulna and the ulnar notch on the lower extremity of radius.
Distal radioulnar articulation
Proximal radioulnar articulation
Ulnar claw
Axon hillock
Radial plane
Pivot joint
Nintendo thumb
Neutral spine