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hand anatomy > 9/23 > Flashcards

9/23 Flashcards

1
Q

APL origin

A

posterior radius, ulna, IO membrane

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2
Q

APL insertion

A

base of 1st metacarpal

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3
Q

APL innervation

A

PIN

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4
Q

EPB origin

A

posterior radius and IO membrane

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5
Q

EPB insertion

A

base of 1st proximal phalanx

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6
Q

EPB innervation

A

PIN

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7
Q

ECRL origin

A

lateral supracondylar ridge

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8
Q

ECRL insertion

A

base of 2nd metacarpal

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9
Q

ECRL innervation

A

radial

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10
Q

ECRB origin

A

lateral epicondyle

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11
Q

ECRB insertion

A

base of 3rd metacarpal

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12
Q

ECRB innervation

A

PIN

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13
Q

EPL origin

A

posterior middle ulna and IO membrane

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14
Q

EPL insertion

A

base of distal phalanx of thumb

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15
Q

EPL innervation

A

PIN

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16
Q

EDC origin

A

lateral epicondyle

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17
Q

EDC insertion

A

extensor expansion of digits 2-5

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18
Q

EDC innervation

A

PIN

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19
Q

EDM origin

A

lateral epicondyle

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20
Q

EDM insertion

A

extensor expansion of 5th digit

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21
Q

EDM innervation

A

PIN

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22
Q

ECU origin

A

lateral epicondyle

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23
Q

ECU insertion

A

base of 5th metacarpal

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24
Q

ECU innervation

A

PIN

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25
Q

EIP origin

A

posterior ulna and IO membrane

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26
Q

EIP insertion

A

extensor expansion of 2nd digit

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27
Q

EIP innervation

A

PIN

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28
Q

borders of snuffbox

A

floor: scaphoid, trapezium
radial: APL/EPB tendons
ulnar: EPL tendon
proximal: radial styloid process

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29
Q

extensor tendon zone 1

A

distal to or at DIP joint (terminal extensor tendon)

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30
Q

extensor tendon zone 2

A

middle phalanx

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31
Q

extensor tendon zone 3

A

PIP joint (central slip)

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32
Q

extensor tendon zone 4

A

proximal phalanx

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33
Q

extensor tendon zone 5

A

MCP joint (sagittal band)

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34
Q

extensor tendon zone 6

A

metacarpals

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35
Q

extensor tendon zone 7

A

wrist joint

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36
Q

extensor tendon zone 8

A

distal forearm

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37
Q

FCR origin

A

medial epicondyle

38
Q

FCR insertion

A

base of 2nd metacarpal

39
Q

FCR innervation

A

median

40
Q

palmaris longus origin

A

medial epicondyle

41
Q

palmarus longus insertion

A

flexor retinaculum, palmar aponeurosis

42
Q

palmaris longus innervation

A

median

43
Q

FDS origin

A

medial epicondyle

44
Q

FDS insertion

A

middle phalanx

45
Q

FDS innervation

A

median

46
Q

FCU origin

A

medial epicondyle, olecranon, posterior ulna

47
Q

FCU insertion

A

pisiform, hook of hamate, base of 5th metacarpal

48
Q

FCU innervation

A

ulnar

49
Q

FDP origin

A

proximal ulna, IO membrane

50
Q

FDP insertion

A

distal phalanx

51
Q

FDP innervation

A

AIN, ulnar

52
Q

FPL origin

A

anterior radius

53
Q

FPL insertion

A

distal phalanx of thumb

54
Q

FPL innervation

A

AIN

55
Q

opponens pollicis origin

A

flexor retinaculum, scaphoid/trapezium tubercles

56
Q

opponens pollicis insertion

A

lateral 1st metacarpal

57
Q

opponens pollicis innervation

A

recurrent branch of median nerve

58
Q

APB origin

A

flexor retinaculum, scaphoid/trapezium tubercles

59
Q

APB insertion

A

lateral side of base of proximal phalanx

60
Q

APB innervation

A

motor recurrent branch of median nerve

61
Q

FPB origin

A

flexor retinaculum, scaphoid/trapezium tubercles

62
Q

FPB insertion

A

lateral side of base of proximal phalanx

63
Q

FPB innervation

A

motor recurrent branch of median nerve

64
Q

adductor pollicis origin

A

base of 2nd metacarpal, base and body of 3rd metacarpal, capitate

65
Q

adductor pollicis insertion

A

medial side of base of proximal phalanx of thumb

66
Q

adductor pollicis innervation

A

deep branch of ulnar nerve

67
Q

palmaris brevis origin

A

transverse carpal ligament, palmar aponeurosis

68
Q

palmaris brevis insertion

A

skin on ulnar border of palm of hand

69
Q

palmaris brevis innervation

A

ulnar

70
Q

abductor digiti minimi origin

A

pisiform

71
Q

abductor digiti minimi insertion

A

ulnar side of base of proximal phalanx of little finger

72
Q

abductor digiti minimi innervation

A

deep branch of ulnar nerve

73
Q

flexor digitorum minimi brevis origin

A

flexor retinaculum, hook of hamate

74
Q

flexor digitorum minimi brevis insertion

A

ulnar side of base of proximal phalanx of little finger

75
Q

flexor digiti minimi brevis innervation

A

deep branch of ulnar nerve

76
Q

opponens digiti minimi origin

A

flexor retinaculum, hook of hamate

77
Q

opponens digiti minimi insertion

A

ulnar border of 5th metacarpal

78
Q

opponens digiti minimi innervation

A

deep branch of ulnar nerve

79
Q

lumbrical origin and insertion

A

FDP tendon, passes along radial side of MCP joint to insert into extensor expansion

80
Q

what motion do the palmar interossei contribute to?

A

adduction

81
Q

what motion to the dorsal interossei contribute to?

A

abduction

82
Q

which branch of the median nerve is proximal?

A

palmar cutaneous

83
Q

which branch of the median nerve is distal?

A

motor recurrent

84
Q

carpal tunnel borders

A

floor: proximal carpal row
roof: transverse carpal ligament
radial: scaphoid/trapezium tubercles
ulnar: pisiform, hook of hamate

85
Q

guyon’s canal borders

A

floor: transverse carpal ligament
roof: volar carpal ligament
radial: hook of hamate
ulnar: pisiform, abductor digiti minimi muscle belly

86
Q

flexor tendon zone 1

A

distal to FDS insertion (jersey finger)

87
Q

flexor tendon zone 2

A

FDS insertion to distal palmar crease/A1 pulley

88
Q

flexor tendon zone 3

A

palm (A1 pulley to distal aspect of transverse carpal ligament)

89
Q

flexor tendon zone 4

A

carpal tunnel

90
Q

flexor tendon zone 5

A

anterior compartment of forearm

91
Q

where does palmar cutaneous usually branch off the median nerve?

A

5 cm proximal to wrist crease

hand anatomy (1 decks)

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