.

Ulnar nerve

Spinal cord segments

C8
T1

Muscles innervated
flexor carpi ulnaris
flexor digitorum profundus (1/2)
palmaris brevis
flexor digiti minimi
abductor digiti minimi
opponens digiti minimi
adductor pollicis
dorsal interossei (4)
palmar interossei (3)
lumbricals (3 and 4)