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What is Which of the following nerve has the shaded cutaneous territory and explain in detail?
The shaded territory is towards radial aspect of dorsum of hand, thus belonging to radial nerve. CUTANEOUS SUPPLY OF HAND: RADIAL NERVE - Supply 3 1/2 fingers on dorsum of hand excluding nail-beds towards radial side. MEDIAN NERVE - Supply anterior 3 & 1/2 fingers (towards radial side, goes posteriorly and supply nail beds of these fingers ULNAR NERVE - Supply 1 1/2 fingers towards ulnar side (both anterior & posterior) Posterior interosseous nerve supply muscles not skin (only motor and not cutaneous)