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YEAR 3 NEURO > ANATOMY - peripheral nerves and spinal nerves > Flashcards

ANATOMY - peripheral nerves and spinal nerves Flashcards

1
Q

knee extension

A

L3 L4 (kick the door)

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2
Q

knee flexion

A

L5 - S1

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3
Q

hip flexion

A

L2 L3

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4
Q

hip extension

A

L4 L5

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5
Q

foot dorsiflexion

A

L4 L5

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6
Q

foot plantarflexion

A

S1 S2 (buckle my shoe)

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7
Q

foot eversion

A

L4

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8
Q

foot inversion

A

L5 S1

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9
Q

motor evaluation of C5

A

shoulder abduction
biceps
deltoid

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10
Q

motor evaluation of C6

A

elbow flexion
biceps
wrist extensors

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11
Q

motor evaluation of C7

A

elbow extension - triceps
wrist flexors
finger extension

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12
Q

motor evaluation of C8

A

finger flexion - flexion digitorum superficialis

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13
Q

motor evaluation of T1

A

interossei - spreading out fingers and bringing back in

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14
Q

sensory evaluation of C5

A

badge patch

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15
Q

sensory evaluation of C6

A

lateral aspect of forearm and thumb

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16
Q

sensory evaluation of C7

A

middle finger

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17
Q

sensory evaluation of C8

A

little finger

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18
Q

sensory evaluation of T1

A

medial aspect of forearm arm

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19
Q

what nerve, myotome and muscle is tested in:

shoulder abduction

A

deltoid
axillary nerve
C5

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20
Q

what nerve, myotome and muscle is tested in:

elbow extension

A

tricep
radial nerve
C7

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21
Q

what nerve, myotome and muscle is tested in:

finger extension

A

extensor digitorum
posterior interosseus (radial)
C7

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22
Q

what nerve, myotome and muscle is tested in:

index finger abduction

A

1st dorsal interosseus
ulnar
T1

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23
Q

what nerve, myotome and muscle is tested in:

hip flexion

A

iliopsoas
femoral
L1 L2

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24
Q

what nerve, myotome and muscle is tested in:

knee flexion

A

hamstrings
sciatic
S1

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25
Q

what nerve, myotome and muscle is tested in:

ankle dorsiflexion

A

peroneals
common peroneal and sciatic
L4 L5

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26
Q

what nerve, myotome and muscle is tested in:

great toe dorsiflexion

A

extensor hallucis longus
common peroneal
L5

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27
Q

spinal nerves supply everything in one segment of the body wall
each spinal nerve will contain what

A

somatic sensory
somatic motor
sympathetic

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28
Q

what does the sensory component of the posterior rami supply

A

strip down the centre of the back

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29
Q

the anterior rami form _____

A

plexuses

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30
Q

what are the 4 plexuses formed by the anterior rami

A

cervical
brachial
lumbar
sacral

31
Q

what anterior rami dont contribute to plexuses

A

T2 - T12

32
Q

the innervation of the trunk is by what

A

“named nerves”

33
Q

what supplies the upper anterolateral trunk wall

A

intercostal nerves

34
Q

the intercoastal nerves are the anterior rami of what nerves

A

T2 - T11

35
Q

the subcostal nerve is the anterior rami of what and supplies what

A

T12

strip just below the upper anterolateral trunk

36
Q

what supplies the anterolateral trunk wall

A

iliohypogastric and ilioinguinal nerves

37
Q

how are the iliohypogastric and ilioinguinal nerves formed

A

bifurcation of anterior ramus of L1 spinal nerve

38
Q

what is the difference between a spinal nerve and a named nerve

A

spinal nerve: axons originating from one spinal cord level

named nerve: axons originating from one or more spinal levels supplying a particular level

39
Q

what are the roots of the femoral nerve

A

L2 - L4

40
Q

area of cutaneous innervation of the femoral nerve crosses _ true dermatomes

A

3

41
Q

the roots of the femoral nerve are L2-L4

what does this mean?

A

contains axons (S, M, SP) that connect via spinal nerve roots L2 L3 L4 with spinal cord segments L2 L3 and L4

42
Q

what are the roots of the median nerve

A

C6 - T1

43
Q

what are the roots of the musculocutaneous nerve

A

C5 - C7

44
Q

what are the roots of the axillary nerve

A

C5 C6

45
Q

what are the roots of the radial nerve

A

C5 - T1

46
Q

what are the roots of the ulnar nerve

A

C8 - T1

47
Q

motor innervation of musculocutaneous nerve

A

Innervates the brachialis, biceps brachii and coracobrachialis muscles

48
Q

motor innervation of the axillary nerve

A

Innervates the teres minor and deltoid muscles

49
Q

motor innervation of the median nerve

A

most of the flexor muscles in the forearm
the thenar muscles
the two lateral lumbricals associated with the index and middle fingers

LOAF: 
Lateral 2 lumbricals
Opponens Pollicis 
Abductor Pollicis Brevis 
Flexor Pollicus Brevis
50
Q

motor innervation of the radial nerve

A

triceps brachii
the muscles in the posterior compartment of the forearm (which are primarily, but not exclusively, extensors of the wrist and fingers).

51
Q

motor innervation of the ulnar nerve

A

Innervates the muscles of the hand (apart from the thenar muscles and two lateral lumbricals)
flexor carpi ulnaris
medial half of flexor digitorum profundus.

52
Q

what are the roots of the cervical plexus

A

C1-4

53
Q

the cervical plexus supplies motor innervation to what

A

neck postural and strap muscles

diaphragm

54
Q

what roots are the brachial plexus

A

C5 - T1

55
Q

the brachal plexus supplies motor innervation to what

A

muscles of the upper limb

extrinsic back muscles that move the upper limb

56
Q

what are the roots of the lumbar plexus

A

L1 - L4

57
Q

what are the roots of the sacral plexus

A

S1 - S4

58
Q

postural back muscles get their motor supply from __ - __ motor axons via _____ ____

A

T2 - L3

posterior rami

59
Q

intercostal muscles get their motor supply from __ - __ motor axons via _____ ____

A

T2 - L3

anterior rami

60
Q

anterolateral abdominal wall muscles get their motor supply from ___ - ___ via

A

T2 - L3

thoracoabdominal, subcostal, iliohypogastric and ilioinguinal nerves

61
Q

what are the roots of the lumbosacral plexus

A

L1 - S4

62
Q

what are the nerve roots of the obturator nerve

A

L2 - L4

63
Q

elbow flexion tests what myotome and muscle

A

C6

biceps brachii

64
Q

ankle plantar flexion tests what myotomes

A

S1

65
Q

UMN lesions cause (spasticity/flaccidity)

A

spasticity

66
Q

LMN lesions cause (spasticity/flaccidity)

A

flaccidity

67
Q

what are the roots of the sciatic nerve

A

L4 - S3

68
Q

what supplies the erector spinae and tranversospinalis muscle groups

A

posterior rami of spinal nerve

69
Q

phrenic nerve roots

A

C3 4 5 from cervical plexus

70
Q

what supplies strap muscles

A

C1-3 from cervical plexus

71
Q

knee jerk reflex

A

L3 L4

72
Q

ankle reflex

A

S1 S2

73
Q

biceps reflex

A

C5 C6

74
Q

triceps reflex

A

C7 C8

YEAR 3 NEURO (12 decks)

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