Supinator Crest Anatomy in 3D

A ridge on the ulna. This is the origin of the "Supinator" muscle; the "Deep Radial Nerve" (PIN) passes right next to this crest. If it’s pinched, the patient will have "Radial Tunnel Syndrome", which feels like "Tennis Elbow" but worse.

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Educational content only. Not medical advice. For clinical decisions, consult authoritative sources and qualified clinicians.

Related structures

Ulna Supinator (Ulna Origin) Anconeus Muscle (Ulna Insertion) Anterior Border of Ulna Body of Ulna Brachialis Muscle (Ulna Insertion) Coronoid Process of Ulna Extensor Carpi Ulnaris (Ulna Origin)