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Anatomy 9

A 62-year-old woman presents to the physician complaining of bilateral wrist pain and weakness which has been gradually progressing over the past 2 months. She works as a concert pianist. Physical examination reveals positive Phalen and Tinel maneuvers. Manual compression of the carpal tunnel also reproduces the symptoms. Wasting of the thenar eminence is noted bilaterally. Nerve conduction testing confirms compression of the median nerve bilaterally. She elects surgical intervention to relieve her symptoms.

Which of the following structures is targeted by the planned surgical intervention?

  • A) Annular ligament of the radius
  • B) Extensor retinaculum
  • C) Flexor retinaculum
  • D) Interosseus membrane of the forearm
  • E) Ulnar collateral ligament of the thumb


Matthew Christensen


Dr. Ted O'Connell

Last updated

Sep 08, 2022


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