Hypothenar Eminence

Question 1

Abductor Digiti Minimi

Answer 1

A: Abduct the 5th finger (metacarpophalangeal joint)
O: Pisiform and tendon of flexor carpi ulnaris
I: Base of proximal phalanx of 5th finger, ulnar surface
N: Ulnar C7, 8, T1

Question 2

Flexor Digiti Minimi Brevis

Answer 2

A: Flex the 5th finger (metacarpophalangeal joint)
Assist in opposition of the 5th finger toward the thumb
O: Hook of hamate and flexor retinaculum
I: Base of proximal phalanx of 5th finger, palmar surface
N: Ulncar C7, 8, T1

Question 3

Opponens Digiti Minimi

Answer 3

A: Opposition of the 5th finger at the carpometacarpal joint
O: Hook of hamate and flexor retinaculum
I: Shaft of 5th metacarpal, ulnar surface
N: Ulnar C7, 8, T1