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Hand Nerves Diagram

Toggle Anatomy System. Skin in the posterior forearm and extensor muscles of the hand and fingers are supplied by the branches of the radial nerve. Along the anterior of the forearm, the median and ulnar nerves supply nerve signals to the skin and to the flexor muscles of the hand and fingers.
In the hand, the median nerve supplies the thenar eminence — the muscles at the base of the thumb — with nerves. It also supplies nerves to the lumbrical muscles to the index and middle fingers. The median nerve provides sensation to the thumb side of the palm, the thumb, index, middle and half of the ring finger.
In the hand, the median nerve supplies the thenar eminence — the muscles at the base of the thumb — with nerves. It also supplies nerves to the lumbrical muscles to the index and middle fingers. The median nerve provides sensation to the thumb side of the palm, the thumb, index, middle and half of the ring finger.