What are the clinically important dermatomes?

Updated: Oct 13, 2017
  • Author: Stephen Kishner, MD, MHA; Chief Editor: Thomas R Gest, PhD  more...
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Answer

Answer

Upper extremity

  • C6 - Thumb

  • C7 - Middle finger

  • C8 - Little finger

  • T1 - Inner forearm

  • T2 - Upper inner arm

Lower extremity

  • L3 - Knee

  • L4 - Medial malleolus

  • L5 - Dorsum of foot

  • L5 - Toes 1-3

  • S1 - Toes 4 and 5; lateral malleolus

Other

  • C2 and C3 - Posterior head and neck

  • T4 - Nipple

  • T10 - Umbilicus


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