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Noorda Anatomy > Upper Limb Nerves > Flashcards

Upper Limb Nerves Flashcards

1
Q

[Nerve level] - dorsal scapular n. - [innervates]

A

C5
Levator scapulae
Rhomboid major
Rhomboid minor

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2
Q

[Nerve level] - suprascapular n. - [innervates]

A

C5-C6
Infraspinatus
Supraspinatus

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3
Q

[Nerve level] - long thoracic n. - [innervates]

A

C5-C7
Serratus anterior

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4
Q

[Nerve level] - lateral pectoral n. - [innervates]

A

C5-C7
Pectoralis major

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5
Q

[Nerve level] - medial pectoral n. - [innervates]

A

C8-T1
Pectoralis major
Pectoralis minor

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6
Q

[Nerve level] - upper subscapular n. - [innervates]

A

C5-C6
Subscapularis

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7
Q

[Nerve level] - lower supscapular n. - [innervates]

A

C5-C6
Subscapularis
Teres major

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8
Q

[Nerve level] - thoracodorsal n. - [innervates]

A

C6-C8
Latissimus dorsi

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9
Q

[Nerve level] - axillary n. - [innervates]

A

C5-C6
Deltoid
Teres major

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10
Q

[Nerve level] - radial n. - [innervates]

A

C5-T1
Posterior brachium
Posterior antebrachium

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11
Q

[Nerve level] - musculocutaneous n. - [innervates]

A

C5-C7
Anterior brachium

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12
Q

[Nerve level] - anterior interosseous branch of median n. - [innervates]

A

C5-T1
Anterior antebrachium (6.5/8)
Hand (1/2 LOAF - 1 and 2 lumbricals, oppenens pollicis, abductor pollicis brevis, flexor pollicis brevis)

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13
Q

[Nerve level] - ulnar n. - [innervates]

A

C7-T1
Anterior antebrachium (1.5/8)
Flexor carpi ulnaris
Flexor digitorum profundus (.5)
Hand (not innervated by median n.)

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14
Q

[Nerve level] - medial brachial cutaneous n. - [innervates]

A

No somatic motor innervation

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15
Q

[Nerve level] - medial antebrachial cutaneous n. - [innervates]

A

No somatic motor innervation

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16
Q

Nerve

A

C5 - Axillary n.

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17
Q

Nerve

A

C5 - Radial n.

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18
Q

Nerve

A

T2- Intercostobrachial n.

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19
Q

Nerve

A

T1 - Medial cutaneous n. of the arm and forearm

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20
Q

Nerve

A

C6 - Musculocutaneous n.

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21
Q

Nerve

A

C6 - Radial n.

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22
Q

Nerve

A

C8 - Ulnar n.

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23
Q

Nerve

A

C7 - Medial n.

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24
Q

Symptoms of axillary nerve damage

A

Severe pain with moving/breathing
Swelling
Limited shoulder movement
Arm deformity
Possible bleeding

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25
Q

Symptoms of radial nerve damage

A

Severe pain when touched Restricted movement Swelling/bruising
Deformity
Crepitus (grinding sensation when moving)
Possible bleeding

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26
Q

Symptoms of ulnar nerve damage

A

Elbow and/or forearm pain
Swelling in hand or forearm
Difficulty moving arm
Numbness in hands/fingers
Loss of color/warmth
Deformity/upper arm shortened
Snap or pop sound when injured
Possible bleeding

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27
Q

Symptoms of median nerve damage

A

Swelling/tenderness in elbow Sudden and extreme pain with or without pop sound
Decreased ability to move
Pain and crepation when moving Deformity
Bruising
Possible bleeding

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28
Q

Motor loss of dorsal scapular n. symptoms

A

Reduced shoulder movement Difficulty raising arm or tilting shoulder from ribs
Sharp stabbing, burning or knife
like pain in scapula or dull ache in neck and back
Weak rhomboids
Stiffness in neck or spine
Traction sensation in shoulder

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29
Q

Sensory loss in dorsal scapular nerve symptoms

A

Not common

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30
Q

Sensory loss in suprascapular nerve symptoms

A

Not common

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31
Q

Motor loss in suprascapular nerve symptoms

A

Dull, ache or burning pain in shoulder, neck, upper back, or
arm. May get worse with movement.
Weakness in arm or shoulder, Discomfort in shoulder/upper back
Loss of shoulder function

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32
Q

Motor loss in long thoracic nerve symptoms

A

Weakened or paralyzed serratus anterior (boxers muscle)
Sharp pain in shoulder, neck, or scapular region
Winging,
Limited ROM
Muscle drop (shoulders not level) Scapula rotates inward

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33
Q

Sensory loss in long thoracic nerve symptoms

A

Numb or tingling fingers or hand

34
Q

Motor loss in lateral pectoral nerve symptoms

A

Uneven chest wall
Atrophy/weakness of pec major Chest or shoulder pain
Limited ROM of shoulder Deformation of pec region

35
Q

Sensory loss in lateral pectoral nerve symptoms

A

Anterolateral numbness
Tingling in chest

36
Q

Motor loss of medial pectoral nerve symptoms

A

Weakness/atrophy of pec
Diminished volitional activation Inability to elevate shoulder

37
Q

Sensory loss of medial pectoral nerve symptoms

A

Not common

38
Q

Motor loss of upper subscapular nerve symptoms

A

Posterolateral shoulder pain (dull, aching, burning) that may radiate to neck or ipsilaterally
Weakness in shoulder

39
Q

Sensory loss of upper subscapular nerve symptoms

A

Not common

40
Q

Sensory loss in lower subscapular nerve symptoms

A

Not common

41
Q

Motor loss in lower subscapular nerve symptoms

A

Rear shoulder pain or weakness that may extend down back of the arm or scapula
Clicking sound/sensation

42
Q

Motor loss in thoracodorsal nerve symptoms

A

Sharp and severe pain in scapula and deltoid
Reduced ROM overhead
Stiff/weak shoulder
Scapular deformity
Finger/wrist drop
Weakened adduction and abduction of shoulder

43
Q

Sensory loss in thoracodorsal nerve symptoms

A

Numb/tingling in lateral arm, posterior arm, posterior forearm, and/or radial dorsal hand

44
Q

Motor loss in axillary nerve symptoms

A

Shoulder weakness
Difficulty moving shoulder

45
Q

Sensory loss in axillary nerve symptoms

A

Numb/tingling lateral shoulder

46
Q

Motor loss in radial nerve symptoms

A

Weakness
Loss of coordination
Difficulty straightening arm/bending hand at wrist or holding hand
Finger or partial wrist drop

47
Q

Sensory loss in radial nerve symptoms

A

Abnormal sensations
Numbness, tingling, or burning in thumb, back of hand, index -
middle fingers, and/or arm

48
Q

Motor loss in musculocutaneous nerve symptoms

A

Weakness in elbow/shoulder flexion
Poor supination
Absence of bicep tendon reflex
Fasciculations (twitching)
Pain in lateral forearm

49
Q

Sensory loss in musculocutaneous nerve symptoms

A

Numb/tingling lateral forearm

50
Q

Motor loss in median nerve symptoms

A

Weakness in hand/inability to perform small movements/grasping using hand

51
Q

Sensory loss in median nerve symptoms

A

Numb/tingling in forearm, wrist, hand, fingers

52
Q

Motor loss in ulnar nerve symptoms

A

Weakness/loss of coordination in digits 4-5
Claw hand

53
Q

Sensory loss in ulnar nerve symptoms

A

Numb/tingling in forearm and/or digits 4-5
Sensitivity to cold

54
Q

Motor loss in medial cord symptoms

A

Weakness in ulnar nerve innervated hand muscles

55
Q

Sensory loss in medial cord symptoms

A

Numb/tingling digits 4-5

56
Q

Motor loss in lateral cord symptoms

A

Weakness in pronation, wrist flexion, and elbow flexion

57
Q

Sensory loss in lateral cord symptoms

A

Numb/tingling in digits 1-3

58
Q

Motor loss in posterior cord symptoms

A

Unable to abduct shoulder Weakness in hand/arm/
shoulder
Hand/arm/shoulder paralysis
Loss of control in hand/arm/wrist

59
Q

Sensory loss in posterior cord symptoms

A

Numb/tingling shoulder, arm, wrist, hand

60
Q

Innervation of rhomboid major

A

Dorsal scapular nerve (C5)

61
Q

Innervation of rhomboid minor

A

Dorsal scapular nerve (C5)

62
Q

Innervation of levator scapulae

A

Dorsal scapular nerve (C5)

63
Q

Innervation of trapezius

A

Spinal accessory nerve (CN XI)

64
Q

Innervation of serratus anterior

A

Long thoracic nerve (C5-C7)

65
Q

Innervation of pectoralis minor

A

Medial pectoral nerve (C8-T1)

66
Q

Innervation of subclavius

A

Subclavian nerve (C5-C6)

67
Q

Innervation of supraspinatus

A

Suprascapular nerve (C5-C6)

68
Q

Innervation of infraspinatus

A

Suprascapular nerve (C5-C6)

69
Q

Innervation of teres minor

A

Axillary nerve (C5-C6)

70
Q

Innervation of subscapularis

A

Upper and lower subscapular nerve (C5-C6)

71
Q

Innervation of pectoralis major

A

Medial and lateral pectoral nerve

72
Q

Innervation of teres major

A

Lower subscapular nerve (C5-C6)

73
Q

Innervation of latissimus dorsi

A

Thoracodorsal nerve (C6-C8)

74
Q

Innervation of deltoid

A

Axillary nerve (C5-C6)

75
Q

Innervation of coracobrachialis

A

Musculocutaneous nerve (C5-C7)

76
Q

Innervation of biceps brachii

A

Musculocutaneous nerve (C5-C7)

77
Q

Innervation of brachialis

A

Musculocutaneous nerve (C5-C7)

78
Q

Innervation of triceps brachii

A

Radial nerve (C5-T1)

79
Q

Innervates all anterior antebrachial forearm muscles except flexor carpi ulnaris and flexor digitorum profundus digits 4-5

A

Median nerve

80
Q

Innervates flexor carpi ulnaris and digits 4-5 of flexor digitorum profundus

A

Ulnar nerve

81
Q

Innervates all posterior antebrachial muscles

A

Radial nerve

Noorda Anatomy (13 decks)

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