Ulnar nerve (C8, T1) Innervates: flexor carpi ulanris, flexor digitorum profundus (half), plamaris brevis, flexor digiti minimi, abductor digit minimi, abductor digiti minimi, opponens digiti minimi, adductor pollicis, palmar interosseous muscles, dorsal interosseous muscles, 3rd and 4th lumbricals.