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Flashcards in Hand Deck (42):
1

Muscles in thenar eminence

abductor pollicis brevis
flexor pollicis brevis
opponens pollicis

2

Origin of abductor pollicis brevis

flexor retinaculum, trapezium, scaphoid

3

Insertion of abductor pollicis brevis

base 1st proximal phalanx

4

Innervation of abductor pollicis brevis

median nerve

5

Function of abductor pollicis brevis

abducts thumb @ CMC/MCP

6

Origin of flexor pollicis brevis

flexor retinaculum, trapezium, capitate

7

Insertion of flexor pollicis brevis

base 1st proximal phalanx

8

Innervation of flexor pollicis brevis

median nerve

9

Function of flexor pollicis brevis

flexes thumb @ MCP/CMC

10

Origin of opponens pollicis

flexor retinaculum, trapezium

11

Insertion of opponens pollicis

1st metacarpal

12

Innervation of opponens pollicis

median nerve

13

Function of opponens pollicis

medially rotates thumb

14

Origin of adductor pollicis

bases 2nd/3rd metacarpal, capitate

15

Insertion of adductor pollicis

base 1st proximal phalanx, ulnar sesamoid

16

Innervation of adductor pollicis

deep branch of ulnar nerve

17

Function of adductor pollicis

adducts proximal phalanx

18

Muscles in hypothenar eminence

abductor digiti minimi
flexor digiti minimi brevis
opponens digiti minimi

19

Origin of abductor digiti minimi

pisiform

20

Insertion of abductor digiti minimi

base 5th proximal phalanx

21

Innervation of abductor digiti minimi

deep branch of ulnar nerve

22

Function of abductor digiti minimi

abducts 5th digit

23

Origin of flexor digiti minimi brevis

hook of hamate, flexor retinaculum

24

Insertion of flexor digiti minimi brevis

base 5th proximal phalanx

25

Innervation of flexor digiti minimi brevis

deep branch of ulnar nerve

26

Function of flexor digiti minimi brevis

flexes 5th finger @ MCP

27

Origin of opponens digiti minimi

hook of hamate, flexor retinaculum

28

Insertion of opponens digiti minimi

5th metacarpal

29

Innervation of opponens digiti minimi

deep branch of ulnar nerve

30

Function of opponens digiti minimi

abducts, flexes and laterally rotates 5th metacarpal

31

Origin of lumbricals

tendons of FDP

32

Insertion of lumbricals

extensor expansions 2-5

33

Innervation of lumbricals

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

34

Function of lumbricals

flex MCP, extend IP

35

Origin of dorsal interossei

metacarpals

36

Insertion of dorsal interossei

bases of proximal phalanges and extensor expansions 2-4

37

Innervation of dorsal interossei

deep palmar branch of ulnar nerve

38

Function of dorsal interossei

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

39

Origin of palmar interossei

metacarpal bones 2/4/5

40

Insertion of palmar interossei

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

41

Innervation of palmar interossei

deep branch of ulnar nerve

42

Function of palmar interossei

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