SMALL MUSCLES OF THE HAND

What is the nerve of palmaris brevis?

superficial branch of ulnar nerve

What is the action of palmaris brevis?

corrugates the skin for better gripping of the of the palm

What is the nerve of lumbricals?

1st and 2nd median nerve and 3rd and 4th deep branch of ulnar nerve

What is the action of lumbricals?

extends the metacarpophalangeal joints and extends the interphalangeal joints except the thumb

What is the nerve of palmar interossei?

deep branch of ulnar nerve

What is the action of palmar interossei?

adducts the fingers towards the center of the third digit

What is the nerve of dorsal interossei?

deep branch of ulnar nerve

What is the action of dorsal interossei?

abducts the fingers

both palmar and dorsal flex the metacarpophalangeal joints and extends the interphalangeal joints

What is the nerve of abductor pollicis brevis

median nerve

What is the action of abductor pollicis brevis

abducts the thumb

What is the nerve of flexor pollicis brevis

median nerve

What is the action of flexor pollicis brevis

flexes the metacarpophalangeal of thumb

What is the nerve of opponens pollicis

median nerve

What is the action of opponens pollicis

pulls thumb medially and forward across the palm

What is the nerve of adductor pollicis

deep branch of ulnar nerve

What is the action of adductor pollicis

adduction of thumb

What is the nerve of abductor digiti minimi

deep branch of ulnar nerve

What is the action of abductor digiti minimi

abducts little finger

What is the nerve of flexor digiti minimi

deep branch of ulnar nerve

What is the action of flexor digiti minimi

flexes the little finger

What is the action of opponens digiti minimi

pulls the 5th metacarpal bone forward as in cupping the palm

What is the nerve of opponens digiti minimi