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ASSH > Information for Public & Patients > Hand Anatomy > Nerve > Motor Branch of Ulnar Nerve

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Motor Branch of Ulnar Nerve

Nerve Origin: C8, T1 roots, arising as a branch of the Ulnar Nerve

Superficial Motor branch

Palmaris Brevis (C8,T1)

Deep Motor Branch

Hypothenar muscles - All (C8,T1)

Ring Lumbrical (C8,T1)

Small Lumbrical (C8,T1)

Interossei - all (C8,T1)

Adductor Pollicis (C8,T1)

Flexor Pollicis Brevis - Deep Head (C8,T1)

Flexor Digiti Minimi

Opponens Digiti Minimi

Nerve Routes

Nerve route to Flexor Pollicis Brevis

Nerve route to Adductor Pollicis

Nerve route to Palmaris Brevis

Nerve route to Abductor Digiti Minimi

Nerve route to Flexor Digiti Minimi

Nerve route to Opponens Digiti Minimi

Nerve route to Interossei - all

Nerve route to Ring Lumbrical

Nerve route to Small Lumbrical

Sensory Innervation: None

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