dorsal digital nerves of radial nerve dorsal digital nerves of radial nerve dorsal digital nerves of radial nerve are branches on the dorsum of the hand. dorsal digital nerves of radial nervediagram of segmental distribution of the cutaneous nerves of the right upper extremity. (dorsal digital nerves of radial nerve at bottom right, in yellow.)detailsfromradial nerveidentifierslatinnervi digitales dorsales nervi radialista98a14.2.03.058ta26439fma75490anatomical terms of neuroanatomy they run with the dorsal digital arteries.