Hand

Question 1

Muscles in thenar eminence

Answer 1

abductor pollicis brevis
flexor pollicis brevis
opponens pollicis

Question 2

Origin of abductor pollicis brevis

Answer 2

flexor retinaculum, trapezium, scaphoid

Question 3

Insertion of abductor pollicis brevis

Answer 3

base 1st proximal phalanx

Question 4

Innervation of abductor pollicis brevis

Answer 4

median nerve

Question 5

Function of abductor pollicis brevis

Answer 5

abducts thumb @ CMC/MCP

Question 6

Origin of flexor pollicis brevis

Answer 6

flexor retinaculum, trapezium, capitate

Question 7

Insertion of flexor pollicis brevis

Answer 7

base 1st proximal phalanx

Question 8

Innervation of flexor pollicis brevis

Answer 8

median nerve

Question 9

Function of flexor pollicis brevis

Answer 9

flexes thumb @ MCP/CMC

Question 10

Origin of opponens pollicis

Answer 10

flexor retinaculum, trapezium

Question 11

Insertion of opponens pollicis

Answer 11

1st metacarpal

Question 12

Innervation of opponens pollicis

Answer 12

median nerve

Question 13

Function of opponens pollicis

Answer 13

medially rotates thumb

Question 14

Origin of adductor pollicis

Answer 14

bases 2nd/3rd metacarpal, capitate

Question 15

Insertion of adductor pollicis

Answer 15

base 1st proximal phalanx, ulnar sesamoid

Question 16

Innervation of adductor pollicis

Answer 16

deep branch of ulnar nerve

Question 17

Function of adductor pollicis

Answer 17

adducts proximal phalanx

Question 18

Muscles in hypothenar eminence

Answer 18

abductor digiti minimi
flexor digiti minimi brevis
opponens digiti minimi

Question 19

Origin of abductor digiti minimi

Answer 19

pisiform

Question 20

Insertion of abductor digiti minimi

Answer 20

base 5th proximal phalanx

Question 21

Innervation of abductor digiti minimi

Answer 21

deep branch of ulnar nerve

Question 22

Function of abductor digiti minimi

Answer 22

abducts 5th digit

Question 23

Origin of flexor digiti minimi brevis

Answer 23

hook of hamate, flexor retinaculum

Question 24

Insertion of flexor digiti minimi brevis

Answer 24

base 5th proximal phalanx

Question 25

Innervation of flexor digiti minimi brevis

Answer 25

deep branch of ulnar nerve

Question 26

Function of flexor digiti minimi brevis

Answer 26

flexes 5th finger @ MCP

Question 27

Origin of opponens digiti minimi

Answer 27

hook of hamate, flexor retinaculum

Question 28

Insertion of opponens digiti minimi

Answer 28

5th metacarpal

Question 29

Innervation of opponens digiti minimi

Answer 29

deep branch of ulnar nerve

Question 30

Function of opponens digiti minimi

Answer 30

abducts, flexes and laterally rotates 5th metacarpal

Question 31

Origin of lumbricals

Answer 31

tendons of FDP

Question 32

Insertion of lumbricals

Answer 32

extensor expansions 2-5

Question 33

Innervation of lumbricals

Answer 33

1/2 - median, 3/4 - deep branch of ulnar

Question 34

Function of lumbricals

Answer 34

flex MCP, extend IP

Question 35

Origin of dorsal interossei

Answer 35

metacarpals

Question 36

Insertion of dorsal interossei

Answer 36

bases of proximal phalanges and extensor expansions 2-4

Question 37

Innervation of dorsal interossei

Answer 37

deep palmar branch of ulnar nerve

Question 38

Function of dorsal interossei

Answer 38

abducts fingers 2-5, flex MCP 2-5, extend PIP/DIP 2-5

Question 39

Origin of palmar interossei

Answer 39

metacarpal bones 2/4/5

Question 40

Insertion of palmar interossei

Answer 40

bases of proximal phalanges and extensor expansions 2/4/5

Question 41

Innervation of palmar interossei

Answer 41

deep branch of ulnar nerve

Question 42

Function of palmar interossei

Answer 42

adducts fingers, flex MCP 2/4/5, extend PIP/DIP 2/4/5