Deep branch of ulnar nerve innervates:

There are twenty muscles in hands of which all are supplied by the ulnar nerve except the following five muscles which are supplied by median nerve: 1 Abductor pollicis brevis 2. Flexor pollicis brevis (also often receives additional supply from the deep branch of ulnar nerve) 3. Opponens pollicis 4. First lumbrical 5. Second lumbrical Note: Palmaris brevis is supplied by superficial branch of ulnar nerve. All interossei are supplied by deep branch of ulnar nerve.