Radial Nerve - Branches/Innervations - Cutaneous


Cutaneous innervation by the radial nerve is provided by the following nerve branches:

  • Posterior cutaneous nerve of arm (originates in axilla)
  • Inferior lateral cutaneous nerve of arm (originates in arm)
  • Posterior cutaneous nerve of forearm (originates in arm)

The superficial branch of the radial nerve provides sensory innervation to much of the back of the hand, including the web of skin between the thumb and index finger.

Read more about this topic:  Radial Nerve, Branches/Innervations

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