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neurology > peripheral nervous system > Flashcards

peripheral nervous system Flashcards

1
Q

nerve supply of trap

A

accessory nerve (XI)

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2
Q

function of trap

A

pull down scapula lateral rotation of scapula, scapula towards midline, elevate scapula, extend cervical to ipsilateral side

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3
Q

when I say trap you say

A

CN XI and SCAPULAAA

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4
Q

nerve supply of rhomboid major

A

C4-5 (minor is just C4)

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5
Q

rhomboid (major and minor) function

A

elevate scapula retract towards spine

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6
Q

innervation of serratus anterior

A

long thoracic nerve (C5-7)

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7
Q

function of serratus

A

protracts scapula and rotates laterally to elevated position, fixes ant scapila to thoracic wall

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8
Q

innervation pec major

A

C8-T1

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9
Q

function pec major

A

adduct and medially rotate arm

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10
Q

pec minor innervation

A

C6-C8 (opposed to major which is C8-T1)

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11
Q

function pec minor

A

fixes scapula to thoracic wall to prevent dorsal shifting, can also draw shoulder blade inferiorly and medially

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12
Q

innervation to subscapularis

A

C5-6 (subscapular nerves)

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13
Q

subscapular action

A

medial rotator of arm

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14
Q

deltoid innervation

A

axillary nerve C5-6

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15
Q

deltoid function

A

shoulder abductor

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16
Q

supraspinatus innervation

A

suprascapular nerve C4-6

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17
Q

supraspinatus function

A

abducts arm along with deltoid

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18
Q

infraspinatus innervation

A

suprascapular nerve C5-6

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19
Q

infraspinatus function

A

lateral rotator of arm

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20
Q

teres minor innervation

A

axillary nerve C5-6

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21
Q

teres minor function

A

rotates arm laterally and adducts to

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22
Q

latissisimus dorsi innervation

A

thoracodorsal nerve C6-8

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23
Q

lat function

A

extends and adducts as well as medially rotates humerus

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24
Q

teres major innervation

A

thoracodorsal nerve C5-7

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25
Q

teres major function

A

adducts and medially rotates humerus (same function of lat dorsi pretty much)

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26
Q

biceps brachii innervation

A

musculocutaneous nerve C5-6

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27
Q

function biceps brachii

A

flexes and supinates at elbow joint

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28
Q

brachialis muscle innervation

A

musk cutaneous nerve C5-7 and radial nerve C5-6

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29
Q

brachialis function

A

elbow flexion!!!!

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30
Q

brachioradialis innervation

A

radial nerve C5-6

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31
Q

brachioradialis function

A

flexes elbow and pronates forearm to neutral

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32
Q

triceps brachii innervation

A

radial nerve C6-8

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33
Q

function triceps

A

elbow extension

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34
Q

supinator muscle

A

radial nerve posterior interosseous branch C5-6

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35
Q

supinator function

A

forearm supination

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36
Q

pronator teres muscle innervation

A

median nerve C6-7, sometimes musck cutaneous n

37
Q

pronator teres function

A

pronates and small amount elbow flexion

38
Q

pronator quadratus innervation

A

anterior interosseious of median n C6-T1

39
Q

pronator quadratus function

A

initiates pronation, stabilizes wrist joint

40
Q

extensor carpi radialis longus and brevis innervation

A

radial nerve C6-7

41
Q

function of ext carpi radialis longus and brevis

A

wrist extension and abduction (radial deviation)

42
Q

extensor carpi ulnaris innervation

A

radial nerve C6-8

43
Q

ext carpi ulnaris function

A

extends wrist and adducts hand (ulnar devation)

44
Q

flexor carpi radialis muscle innervation

A

median nerve C6-8

45
Q

flex carp radialis function

A

flexes wrist and abducts hand, weak flexor and pronator at elbow

46
Q

palmaris longus innervation

A

median nerve C7-T1

47
Q

palmaris longus function

A

weak flexor at elbow and weak flexor at wrist

48
Q

flexor carpi ulnaris innervation

A

ulnar nerve C7-T1

49
Q

flex carpi ulnaris function

A

flexes wrist and adducts hand

50
Q

extensor digitorum muscle innervation

A

deep branch radial nerve C6-8

51
Q

ext digitorum muscle function

A

extends wrist and ALL finger joints

52
Q

extensor indicis muscle innervation

A

deep branch of radial nerve C6-8

53
Q

function of ext indicis muscle

A

extend index finger also small function to extend wrist

54
Q

extensor digiti minimi muscle innervation

A

deep branch radial nerve C6-8

55
Q

ext digiti minimi muscle function

A

extension of little finger

56
Q

extensor pollicis brevis muscle innervation

A

deep branch radial nerve C6-8

57
Q

ext pollicus brevis function

A

extension of proximal joints of thumb

58
Q

extensor pollicus longus innervation

A

deep branch radial nerve C6-8

59
Q

function ext pollicus longus

A

extension of all thumb joints and abduction of thumb

60
Q

lumbrical muscles of hand 1-4 innervation

A

lumb 1-2 median nerve C8-T1
lum 3-4 deep branch ulnar nerve C8-T1

61
Q

function of lumbricals

A

flexion of metacarpophalangeal joints II-V, and extend proximal interphalangeal joints

62
Q

flexor digitorum superficialis innervations

A

median nerve C7-T1

63
Q

function flex digitorum superficialis

A

flexes metacarophalangeal joints II-V and prox interphalangeal joints (same as lumbricals)

64
Q

flexor digitorum profundus innervation

A

lateral half is ant interosseous branch median nerve C8-T1

medial half is ulnar nerve C8-T1

65
Q

function of flexor digitorum profundus

A

flexes metacarpal joints II-V, the ONLY flexor of DISTAL interphalangeal joints

66
Q

flexor digiti minimi innervation

A

deep branch ulnar nerve C8-T1

67
Q

function flex digiti minimi

A

flexes metacarpophalangeal joint V

68
Q

flexor pollicus longus innervation

A

anterior interosseous branch of median nerve C7-T1

69
Q

function flexor pollicus long

A

flexes thumb at all joints, the ONLY flexor in interphalngeal joint of thumb

70
Q

abductor pollicus longus innervation

A

deep branch radial nerve C6-8

71
Q

function adbuctor pollicus longus

A

extends, abducts and laterally rotates thumb

72
Q

abductor pollicus brevis innervation

A

median nerve C7-T1

73
Q

function abductor pollicus brevis

A

abducts thumb and extends metacarpal phalangeal joint, extends interphalngeal joint of thumb

74
Q

abductor digiti minimi muscle of hand innervation

A

deep branch ulnar nerve C8-T1

75
Q

function abduct digiti minimi

A

abducts and bends the 5th finger

76
Q

DORSAL interosseous muscles of hand 1-4 innervation

A

deep branch ulnar nerve C8-T1

77
Q

DORSAL interosseous muscles function

A

ABducts fingers

78
Q

PALMAR interosseous muscles innervation

A

deep branch ulnar nerve C8-T1

79
Q

PALMAR interosseous muscle function

A

adducts fingers

80
Q

adductor pollicis muslce innervation

A

deep branch ulnar nerve C8-T1

81
Q

adduct pollicis function

A

adducts thumb

82
Q

flexor pollicus brevis innervation

A

superficial head median nerve C8-T1
deep head ulnar nerve C8-T1

83
Q

flex pollicus brev function

A

flexion, abduction and adduction

84
Q

opponens pollicus innervation

A

median nerve C7-T1

85
Q

opponens pollicus function

A

flexion, abduction, rotation and adduction of thumb

86
Q

opponens digiti minimi innervation

A

deep branch ulnar nerve C8-T1

87
Q

opponens digiti minimi function

A

flexes and slightly adducts little fingers

88
Q

palmaris brevis innervation

A

superficial branch ulnar nerve C7-T1

89
Q

palmaris brevis function

A

tenses skin on medial side of palm

neurology (13 decks)

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