Palm of Hand

Question 1

Abductor pollicis brevis (thenar)
Blood supply:
Innervation:
Action:

Answer 1

Abductor pollicis brevis (thenar)
Blood supply: Radial artery (superficial)
Innervation: Recurrent branch of median nerve (c8-t1)
Action: Adduct thumb

Question 2

Flexor pollicis brevis
Blood supply:
Innervation:
Action:

Answer 2

Flexor pollicis brevis (thenar)
Blood supply: Radial artery (superficial)
Innervation: Recurrent branch of median nerve (c8-t1)
Action: Flex proximal phalneges of thumb

Question 3

Opponens pollciis (thenar)
Blood supply:
Innervation:
Action:

Answer 3

Opponens pollicis (thenar)
Blood supply: Radial artery (superficial)
Innervation: Recurrent branch of median nerve (c8-t1)
Action: Opposes thumb

Question 4

Lumbricals 1-2
Blood supply:
Innervation:
Action:

Answer 4

Lumbrical 1-2
Blood supply: Superficial palmar arch artery
Innervation: Median nerve (c8-t1)
Action: Flex digit at MCP joint and extend at IP joints of digits 2-5

Question 5

Lumbricals 3-4
Blood supply:
Innervation:
Action:

Answer 5

Lumbricals 3-4
Blood supply: Superficial palmar arch artery
Innervation: Median nerve (c8-t1)
Action: Flex digit at MCP joint and extend at IP joints of digits 2-5

Question 6

Abductor digit minimi
Blood supply:
Innervation:
Action:

Answer 6

Abductor Digiti Minimi
Blood supply: Ulnar artery
Innervation: Deep branch of ulnar nerve (c8-t1)
Action: Abduct 5th digit

Question 7

Flexor digiti minimi
Blood supply:
Innervation:
Action:

Answer 7

Flexor digit minimi
Blood supply: Ulnar artery
Innervation: Deep branch of ulnar nerve (c8-t1)
Action: Flex proximal phalanges of 5th digit

Question 8

Opponens digit minimi
Blood supply:
Innervation:
Action:

Answer 8

Opponens digit minimi
Blood supply: Ulnar artery
Innervation: Deep branch of ulnar nerve (c8-t1)
Action: Opposes 5th digit

Question 9

Abductor pollicis
Blood supply:
Innervation:
Action:

Answer 9

Abductor pollicis
Blood supply: Ulnar artery
Innervation: Deep branch of ulnar nerve (c8-t1)
Action: Abducts thumb towards middle digit

Question 10

1st Digit interosseous
Blood supply:
Innervation:
Action:

Answer 10

1st Digit interosseous
Blood supply: Ulnar artery
Innervation: Deep branch of ulnar nerve (c8-t1)
Action: Abducts second digit