Radial fossa

The radial fossa is a slight depression found on the humerus above the front part of the capitulum. It receives the anterior border of the head of the radius when the forearm is flexed.

The joint capsule of the elbow attaches to the humerus just proximal to the radial fossa.

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  Human arm bones diagram
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  Elbow joint. Deep dissection. Anterior view.
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  Elbow joint. Deep dissection. Anterior view.

This article incorporates text in the public domain from page 212 of the 20th edition of Gray's Anatomy (1918)

• Anatomy image: skel/humeruslow2 at Human Anatomy Lecture (Biology 129), Pennsylvania State University