Testing the Nerves in the Hand

Original article by Tom Leach | Last updated on 7/6/2014
Printer-friendly version

Median Nerve

  • Thenar eminence
o   Abduction of the thumb
o   Abductor policis brevis
  • Sensory of palmar surface of the lateral (radial) 3 ½ digits

Ulnar Nerve

  • Hypothenar eminence
  • Adducts the first finger – so try to test adduction of the finger alone
  • Sensory – ulnar 1 ½ digits

Radial Nerve

  • Extension of the wrist – ask the patient to cock the wrist back
  • Dorsal surface of lateral (radial) 3 ½ digits