Muscles of the Little Finger

Question 1

Palmaris Brevis

Answer 1

O: palmar aponeurosis medial border

I: skin on ulnar side of hand

A: stabilization of skin on palm for gripping

In: ulnar nerve

Question 2

Abductor Digiti Minimi

Answer 2

O: pisiform

I: base of proximal phalanx of little finger

A: abduction of little finger

In: ulnar nerve

Question 3

Flexor Digiti Minimi Brevis

Answer 3

O: flexor retinaculum + hook of hamate

I: proximal phalanx of little finger

A: flexion of little finger

In: ulnar nerve

Question 4

Opponens Digiti Minimi

Answer 4

O: flexor retinaculum + hook of hamate

I: fifth metacarpal

A: opposition of little finger to thumb

In: ulnar nerve