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SFM2 > Neck, Back, and Upper Extremity Innervation > Flashcards

Neck, Back, and Upper Extremity Innervation Flashcards

Includes muscle innervation, cutaneous innervation, plexi, and spinal roots

1
Q

trapezius

A

CN11

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2
Q

latissimus dorsi

A

thoracodorsal nerve (a branch of the posterior cord of the brachial plexus)

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3
Q

rhomboids

A

dorsal scapular nerve

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4
Q

levator scapulae

A

dorsal scapular nerve and the anterior rami of C3 and C4

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5
Q

splenius

A

posterior rami of C3 and C4

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6
Q

erector spinae

A

dorsal rami

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7
Q

type of nerves in the dorsal roots?

A

sensory

(this is pre-spinal nerve; rami contain both)

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8
Q

type of nerves in the dorsal ramps of the spinal nerves?

A

both motor and sensory

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9
Q

what is in dorsal root ganglia

A

cell bodies of neurons

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10
Q

4 cutaneous branches of the cervical plexus

A

.

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11
Q

which ventral rami form cervical plexus

A

C1-C4

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12
Q

what is between middle and anterior scalene

A

trunks of the brachial plexus

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13
Q

what muscles are innervated by CN 11?

A

sternocleidomastoid and trapezius

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14
Q

phrenic nerve: target, ventral rami that form it, and location (on which muscle?)

A

Diaphragm
C3-C5
Anterior scalene

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15
Q

biceps brachii

A

musculocutaneous nerve (the most lateral of the terminal branches of the brachial plexus)

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16
Q

corachobrachialis

A

musculocutaneous nerve (the most lateral of the terminal branches of the brachial plexus)

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17
Q

what does long thoracic nerve supply, and which surgical procedure can injure it?

A

serratous anterior
mastectomy

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18
Q

where do we see trunks of brachial plexus?

A

posterior triangle of neck, between the anterior and middle scalenes

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19
Q

where do we see cords of the brachial plexus?

A

anterior, medial, and posterior
high in axilla, before “M”

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20
Q

where do we see terminal branches of the brachial plexus?

A

the “M” of the axilla

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21
Q

lateral to medial: the terminal branches of the brachial plexus

A

musculocutaneous
axillary (sort of behind the M)
median
radial (sort of behind the M)
ulnar

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22
Q

muscles innervated by musculocutaneous nerve

A

anterior brachium (biceps brachii, brachialis, corachobrachialis)

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23
Q

cutaneous regions innervated by musculocutaneous nerve

A

anterior brachium

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24
Q

muscles innervated by axillary nerve

A

deltoid, teres minor

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25
Q

cutaneous regions innervated by axillary nerve

A

skin over shoulder

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26
Q

muscles innervated by median nerve

A

.

27
Q

cutaneous regions innervated by median nerve

A

digits 2 and 3 (carpal tunnel) …

28
Q

muscles innervated by ulnar nerve

A

lateral forearm?

29
Q

cutaneous regions innervated by ulnar nerve

A

.

30
Q

muscles innervated by radial nerve

A

anterior forearm (flexor compartment)

31
Q

cutaneous regions innervated by radial nerve

A

anterior forearm, digits 1 and 2?

32
Q

long thoracic nerve

A

anterior serratous

33
Q

thoracodorsal

A

latissimus dorsi …

34
Q

suprascapular

A

scapular …

35
Q

muscles of the face (innervation)

A

CN 7

36
Q

branches of CN 7

A

supraorbital
infraorbital
mental
lesser occipital
greater occipital ?

37
Q

supraorbital, infraorbital, and mental nerves are branches of…

A

trigeminal

38
Q

pec major innervation

A

median and lateral pectoral nerves

39
Q

deltoid innervation

A

axillary nerve

40
Q

supraspinatous innervation

A

suprascapular nerve
C5 and C6

41
Q

which ventral rami form axillary nerve

A

C5 and C6

42
Q

biceps brachii innervation

A

musculocutaneous

43
Q

brachialis innervation

A

musculocutaneous
radial

44
Q

coracobrachialis innervation

A

musculocutaneous

45
Q

musculocutaneous nerve ventral rami

A

C5, C6, C7

46
Q

radial nerve ventral rami

A

C5 through T1

47
Q

cutaneous innervation medial aspect of upper arm

A

medial brachial cutaneous nerve

48
Q

cutaneous innervation upper shoulder and neck

A

suprascapular

49
Q

cutaneous innervation shoulder

A

axillary

50
Q

cutaneous innervation posterior upper arm

A

radial (same as posterior forearm)

51
Q

cutaneous innervation posterior forearm

A

radial (same as posterior brachium)

52
Q

cutaneous innervation anterior upper arm

A

medial antebrachial cutaneous (same as anterior forearm)

53
Q

cutaneous innervation anterior forearm

A

medial antebrachial cutaneous (same as anterior upper arm)

54
Q

cutaneous innervation lateral forearm

A

lateral antebrachial cutaneous nerve
which is a continuation of musculocutaneous nerve

55
Q

location of ulnar nerve cubital fossa

A

b/w olecranon and medial epicondyle

56
Q

flexor carpi radialis innervation

A

median nerve

57
Q

flexor carpi ulnaris innervation

A

ulnar nerve

58
Q

pronator teres innervation

A

median nerve

59
Q

flexor digitorum superficialis innervation

A

median nerve

60
Q

flexor digitorum profundus innervation

A

median AND ulnar nerves

61
Q

flexor pollicis longus innervation

A

median nerve

62
Q

pronator quadratus innervation

A

median nerve

63
Q

median nerve innervates…

A

muscles of anterior forearm:

pronator teres
flexor carpi radialis
palmaris longus
flexor carpi ulnaris
flexor digitorum superficialis
flexor digitorum profundus
flexor pollicis longus
pronator quadratus

64
Q
A

SFM2 (11 decks)

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