Corpus3D

Elbow

Head of the radius

Caput radii

How to find it
About two centimetres distal to the lateral epicondyle, in the hollow on the dorsolateral side. Pronate and supinate the forearm: the bone turns under your finger.
What you use it for
Tenderness in a radial head fracture after a fall onto the outstretched hand; also the site of restriction in blocked pronation or supination.
On the bone
Radius
Body region
Elbow