Table 1. Zones of the hand for nerve transposition.

Zone involvement	Nerve involvement
Zone I	Digital nerves Terminal sensory branches of nerves innervating dorsal hand
Zone II	Common digital nerves Palmar cutaneous branches of the median nerve Palmar cutaneous branches of the ulnar nerves Dorsal branches of the ulnar nerve
Zone III	Superficial radial nerve Medial antebrachial cutaneous nerve Lateral antebrachial cutaneous nerve Posterior cutaneous nerve of the forearm