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Hand & Wrist Exam

Thumb Abduction

January 1st, 2017


  • How to Assess

  • The thumb is angulated laterally, away from the hand.
  • Muscles Involved

  • Abductor pollucis longus, abductor pollucis brevis
  • Normal Range of Motion

  • 70°
  • Myotome

  • T1Median nerve
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