Which motor exam findings are characteristic of carpal tunnel syndrome (CTS)?

Updated: Mar 30, 2020
  • Author: Nigel L Ashworth, MBChB, MSc, FRCPC; Chief Editor: Milton J Klein, DO, MBA  more...
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Motor examination - Wasting and weakness of the median-innervated hand muscles (LOAF muscles) may be detectable.

  • L - First and second lumbricals

  • O - Opponens pollicis

  • A - Abductor pollicis brevis

  • F - Flexor pollicis brevis

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