Hypothenar muscles

Question 1

Insertion of opponens digiti minimi?

Answer 1

5th metacarpal (ulnar border)

Question 2

Innervation of Opponens digiti minimi? (and all hypothenar muscles?)

Answer 2

Deep Ulnar n.

C8, T1

Question 3

Action of opponens digiti minimi?

Answer 3

Draws metacarpal in palmar direction (opposition)

Question 4

Origin of flexor digiti minimi brevis?

Answer 4

Hook of hamate, flexor retinaculum

Question 5

Insertion of flexor digiti minimi brevis?

Answer 5

5th proximal phalanx (base)

Question 6

Innervation of flexor digiti minimi brevis? (and all hypothenar muscles?)

Answer 6

Deep Ulnar n. (C8, T1)

Question 7

Action of flexor digiti minimi brevis?

Answer 7

MCP joint of the little finger: flexion

Question 8

Origin of abductor digiti minimi?

Answer 8

Pisiform bone

Question 9

Insertion of abductor digiti minimi?

Answer 9

5th proxmial phalanx (ulnar base) and dorsal digital expansion of 5th digit

Question 10

Innervation abductor digiti minimi? (and all hypothenar muscles)

Answer 10

Deep Ulnar n.

C8, T1

Question 11

Action of abductor digiti minimi?

Answer 11

MCP joint of litle finger: flexion and abduction of little finger
PIP and DIP joints of little finger: extension

Question 12

Origin of opponens digiti minimi?

Answer 12

Hook of hamate, flexor retinaculum