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Block 12 - Neurological, Neuromuscular and Musculoskeletal Disease > ALS Lecture 7 - Movements and Muscles of the Hand DONE > Flashcards

ALS Lecture 7 - Movements and Muscles of the Hand DONE Flashcards

1
Q

flexion of fingers

A

making a fist

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2
Q

extension of fingers

A

making hand flat from fist

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3
Q

adduction of the fingers

A

fingers move towards middle finger

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4
Q

abduction of fingers

A

fingers move away from middle finger

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5
Q

flexion of thumb

A

brings thumb across palm

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6
Q

extension of thumb

A

moving thumb away from fingers/palm

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7
Q

abduction of thumb

A

moving thumb away from palm

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8
Q

adduction of thumb

A

moving thumb towards palm

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9
Q

opposition of thumb

A

connect thumb to fingertip

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10
Q

reposition of thumb

A

move thumb away from fingertips to its original position

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11
Q

label diagrams of hand movements

A

done

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12
Q

label the hand grips

A

done

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13
Q

label the skeleton of the hand

A

done

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14
Q

number of phalanges

A

14

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15
Q

radiocarpal joint

A

radius + carpals

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16
Q

carpometacarpal joints

A

carpals + metacarpals

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17
Q

metacarpophalangeal joints

A

metacarpals + proximal phalanges

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18
Q

proximal interphalangeal joints

A

proximal phalanges + middle phalanges

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19
Q

distal interphalangeal joints

A

middle phalanges + distal phalanges

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20
Q

lumbricals connect

A

profundus and superficialis tendons on radial side of each digit

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21
Q

lumbrical nerve supply

A

radial 2 median nerve, ulnar 2 ulnar nerve

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22
Q

label the diagrams of the lumbricals and tendons

A

done

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23
Q

lumbricals function

A

flexion of metacarpophalangeal joints, keep interphalangeal joints extended

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24
Q

muscles at base of thumb

A

thenar eminence

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25
Q

muscles at base of little finger

A

hypothenar eminence

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26
Q

label the diagrams of the thenar and hypothenar eminence

A

done

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27
Q

muscles of the thenar eminence, superficial layer

A

flexor pollicis brevis, abductor pollicis brevis, opponens pollicis

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28
Q

innervation of muscles of thenar eminence, superficial layer

A

median nerve

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29
Q

muscles of the thenar eminence superficial layer originate at

A

flexor retinaculum on carpus

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30
Q

flexor pollicis brevis movement

A

short flexor of thumb

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31
Q

flexor pollicis brevis inserts into

A

base of proximal phalanx

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32
Q

abductor pollicis brevis movement

A

short abductor of the thumb

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33
Q

abductor pollicis brevis inserts into

A

base of proximal phalanx

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34
Q

opponens pollicis movement

A

brings thumb over palm for opposition

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35
Q

opponens pollicis inserts into

A

metacarpal

36
Q

label the superficial layer of the thenar eminence

A

done

37
Q

label the deep layer of the thenar emnience

A

done

38
Q

muscles of the thenar eminence, deep layer

A

adductor pollicis

39
Q

innervation of muscles of thenar eminence, deep layer

A

ulnar nerve

40
Q

the median nerve controls

A

abduction of thumb

41
Q

the ulnar nerve controls

A

adduction of thumb

42
Q

hypothenar eminence muscles

A

flexor digiti minimi, abductor digiti minimi, opponens digiti minimi

43
Q

flexor digiti minimi movement

A

short flexor of little finger

44
Q

flexor digiti minimi inserts into

A

base of proximal phalanx of little finger

45
Q

abductor digiti minimi movement

A

short abductor of little finger

46
Q

abductor digiti minimi inserts into

A

base of proximal phalanx of little finger

47
Q

opponens digiti minimi movement

A

brings little finger over palm for opposition

48
Q

opponens digiti minimi inserts into

A

metacarpal

49
Q

muscles of the hypothenar eminence are innervated by the

A

median nerve

50
Q

interosseous muscles

A

palmar interossei, dorsal interossei

51
Q

innervation of interosseous muscles

A

ulnar nerve

52
Q

palmar interossei goes from….. to…..

A

metacarpal to extensor apparatus

53
Q

palmar interossei movement

A

pull digits toward middle digit, adduction

54
Q

______ ______ has no palmar interossei

A

middle digit

55
Q

palmar interossei are on which digits?

A

2nd, 4th, 5th

56
Q

PAD

A

palmar interossei adduct

57
Q

dorsal interossei connects

A

metacarpals to those either side

58
Q

dorsal interossei pass a

A

tendon distally to extensor apparatus

59
Q

dorsal interossei movement

A

pull digits away from middle digit, abduction

60
Q

dorsal interossei go between

A

5th + 4th, 4th + 3rd, 3rd + 2nd, 2nd + 1st

61
Q

DAB

A

dorsal interossei abduct

62
Q

label the diagrams of the interossei

A

done

63
Q

label the diagrams of the interossei’s movements

A

done

64
Q

median nerve supplies what in the hand?

A

radial 2 lumbricals, thenar and hypothenar eminence muscles except adductor pollicis

65
Q

ulnar nerve supplies what in the hand?

A

adductor pollicis (thenar eminence), ulnar 2 lumbricals, interosseous muscles

66
Q

median nerve supplies what in the forearm?

A

all long flexors except flexor carpi ulnaris and half of flexor digitorum profundus

67
Q

median nerve supplies sensation to

A

bottom of palm, thumb, index finger, middle finger, half of ring finger

68
Q

label the diagram of the median nerve

A

done

69
Q

if the median nerve was damaged, what would be lost motor wise?

A

abduction of thumb

70
Q

test the median nerve by asking pt to…

A

move thumb over palm then away from palm

71
Q

does the median nerve branch in the arm?

A

no

72
Q

does the ulnar nerve branch in the arm?

A

no

73
Q

ulnar nerve supplies what in the forearm?

A

flexi carpi ulnaris, half of flexi digitroum profundus

74
Q

ulnar nerve supplies what in the hand?

A

adductor pollicis

75
Q

ulnar nerve supplies sensation to

A

half of ring finger, little finger

76
Q

we can test the ulnar nerve by asking the patient to

A

hold paper between fingers, we try to pull it out (tests interossei)

77
Q

label diagram of ulnar nerve

A

done

78
Q

radial nerve supplies what in the forearm?

A

extensors

79
Q

radial nerve supplies what in the hand?

A

nothing

80
Q

damage to the radial nerve gives…

A

floppy wrist

81
Q

radial nerve supplies sensation to

A

back of hand, but only very small area only by radial nerve (see diagram)

82
Q

look at the sensation patterns for each of the 3 nerves in the hand

A

done

83
Q

label the arteries of the hand diagram

A

done

84
Q

superficial palmar arch branches to supply blood to the

A

digits

85
Q

deep palmar arch branches to supply blood to the

A

thumb

Block 12 - Neurological, Neuromuscular and Musculoskeletal Disease (28 decks)

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