What is the dorsal ulnar zone?

Updated: Apr 26, 2021
  • Author: David M Lichtman, MD; Chief Editor: Harris Gellman, MD  more...
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The dorsal ulnar zone consists of the following:

  • Distal radioulnar joint (DRUJ)/triangular fibrocartilage complex (TFCC)
  • Extensor carpi ulnaris (ECU)
  • Lunate
  • Triquetrum
  • Lunotriquetral joint
  • Hamate
  • Fourth and fifth carpometacarpal (CMC) joints

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