Ulnar head of supinator

Caput ulnare supinatoris

Definition

Muhammad A. Javaid

The ulnar head of supinator refers to its deep head. It arises from the supinator crest located on the posterolateral surface of the ulna.

References

  • Thomas SJ, Yakin DE, Parry BR, Lubahn JD. The anatomical relationship between the posterior interosseous nerve and the supinator muscle. J Hand Surg Am. 2000 Sep;25(5):936-41.

  • Berton C, Wavreille G, Lecomte F, Miletic B, Kim HJ, Fontaine C. The supinator muscle: anatomical bases for deep branch of the radial nerve entrapment. Surg Radiol Anat. 2013 Apr;35(3):217-24.