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Anatomy (711) > Intrinsic Hand Muscles > Flashcards

Intrinsic Hand Muscles Flashcards

1
Q

opponens pollicis proximal attachment

A

flexor retinaculum and lateral carpals

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2
Q

opponens pollicis distal attachment

A

head of metacarpal 1

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3
Q

opponens pollicis actions

A

opposition of thumb

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4
Q

opponens pollicis innervations

A

median nerve (C8,T1)

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5
Q

abductor pollicis brevis proximal attachment

A

flexor retinaculum and lateral carpals

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6
Q

abductor pollicis brevis distal attachment

A

base of proximal phalanx of thumb

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7
Q

abductor pollicis brevis actions

A

ABD thumb

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8
Q

abductor pollicis brevis innervations

A

median nerve (C8,T1)

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9
Q

flexor pollicis brevis proximal attachment

A

flexor retinaculum and lateral carpals

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10
Q

flexor pollicis brevis distal attachment

A

base of proximal phalanx of thumb

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11
Q

flexor pollicis brevis actions

A

flex thumb

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12
Q

flexor pollicis brevis innervations

A

median and ulnar nerves (C8,T1)

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13
Q

adductor pollicis proximal attachment

A
  • oblique head: bases of metacarpals 2 and 3

- transverse head: shaft of metacarpal 3

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14
Q

adductor pollicis distal attachment

A

base of proximal phalanx of thumb

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15
Q

adductor pollicis actions

A

ADD thumb

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16
Q

adductor pollicis innervations

A

ulnar nerve (C8,T1)

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17
Q

abductor digiti minimi proximal attachment

A

flexor retinaculum and pisiform

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18
Q

abductor digiti minimi distal attachment

A

base of proximal phalanx of digit 5

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19
Q

abductor digiti minimi actions

A
  • ABD digit 5

- assist w flexion of digit 5

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20
Q

abductor digiti minimi innervations

A

ulnar nerve (C8,T1)

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21
Q

flexor digiti minimi brevis proximal attachment

A

flexor retinaculum and hook of hamate

22
Q

flexor digiti minimi brevis distal attachment

A

base of proximal phalanx of digit 5

23
Q

flexor digiti minimi brevis actions

A

flex digit 5

24
Q

flexor digiti minimi brevis innervations

A

ulnar nerve (C8,T1)

25
Q

opponens digiti proximal attachment

A

flexor retinaculum and hook of hamate

26
Q

opponens digiti distal attachment

A

5th metacarpal

27
Q

opponens digiti actions

A

opposition of digit 5

28
Q

opponens digiti innervations

A

ulnar nerve (C8,T1)

29
Q

lumbricals proximal attachment

A

tendons of FDP

30
Q

lumbricals distal attachment

A

extensor expansion of digits 2-5

31
Q

lumbricals actions

A
  • MCP: flexion
  • PIP: extension
  • DIP: extension
32
Q

lumbricals innervations

A 
1,2 = median nerve (C8,T1) 
3,4 = ulnar nerve (C8,T1)
33
Q

dorsal interossei proximal attachment

A

metacarpals

34
Q

dorsal interossei distal attachment

A

extensor expansion of digits 2-4

35
Q

dorsal interossei actions

A
  • digits 2-4: ABD
  • MCP: flexion
  • PIP: extension
  • DIP: extension
36
Q

dorsal interossei innervations

A

ulnar nerve (C8,T1)

37
Q

palmar interossei proximal attachment

A

metacarpals

38
Q

palmar interossei distal attachment

A

extensor expansion of digits 2, 4, and 5

39
Q

palmar interossei actions

A
  • digits 2,4,5: ADD
  • MCP: flexion
  • PIP: extension
  • DIP: extension
40
Q

palmar interossei innervations

A

ulnar nerve (C8,T1)

41
Q

what muscle(s) ABD the thumb?

A

abductor pollicis longus and brevis

42
Q

what muscle(s) ADD the thumb?

A

adductor pollicis

43
Q

what muscle(s) ABD digit 2?

A

dorsal interossei

44
Q

what muscles(s) ADD digit 2?

A

palmar interossei

45
Q

what muscle(s) ABD digit 3?

A

dorsal interossei

46
Q

what muscle(s) ADD digit 3?

A

dorsal interossei

47
Q

what muscle(s) ABD digit 4?

A

dorsal interossei

48
Q

what muscle(s) ADD digit 4?

A

palmar interossei

49
Q

what muscle(s) ABD digit 5?

A

abductor digiti minimi

50
Q

what muscle(s) ADD digit 5?

A

palmar interossei

Anatomy (711) (62 decks)

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