UE Innervation Flashcards

1
Q

Deltoid

A

Axillary C5-6

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2
Q

Teres minor

A

Axillary C5-6

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3
Q

Coracobrachialis

A

Musculocutaneous C5-7

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4
Q

Supraspinatus

A

Suprascapular C5-6

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5
Q

Infraspinatus

A

Suprascapular C5-6

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6
Q

Subscapularis

A

Subscapular C5-6

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7
Q

Pecs (clavicular fibers)

A

Lateral pectoral C5-6

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8
Q

Teres major

A

Lower Subscapular C5-6

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9
Q

Pecs (sternocostal fibers)

A

Medial pectoral C6-T1

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10
Q

Serratus Anterior

A

Long thoracic C5-7

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11
Q

Rhomboids

A

Dorsal scapular C5

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12
Q

Upper traps

A

CN XI (Accessory)

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13
Q

Middle/lower traps

A

C3-4

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14
Q

Levator scapulae

A

C3-4, Dorsal scapular C5

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15
Q

Biceps

A

MCN C5-6

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16
Q

Brachialis

A

MCN C5-6

17
Q

Brachioradialis

A

Radial C5-6

18
Q

Triceps

A

Radial C6-8

19
Q

Supinators

A

Radial C6-7

20
Q

Pronators

Pronator Teres
Pronator Quadratus

A

Median N C6-8

Median C6-7
Median C7-8

21
Q

______ weakness in triceps with C5-6 damage

A

Slight

Innervation: Radial C6-8

22
Q

_____ weakness in supinators with C5-6 damage

A

Partial

Innervation: Radial C6-7

23
Q

______ weakness in pronators with C5-6 damage

A

Slight

Innervation: Median C6-8 –>more weakness in pronator teres

24
Q

_____ weakness in serratus anterior with C5-6 damage

A

Significant

Innervation: Long thoracic C5-7

25
Q

_____ weakness in coracobrachialis with C5-6 damage

A

Significant

Innervation: MCN C5-7

26
Q

_____ weakness in lat dorsi with C5-6 damage

A

Slight

Innervation: Thoracodorsal C6-8

27
Q

_____ weakness in pecs (sternal fibers) with C5-6 damage

A

Slight

Innervation: Medial Pectoral C6-T1

28
Q

Lat Dorsi

A

Thoracodorsal C6-8