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Nerve Innervations > Upper Extremity > Flashcards

Upper Extremity Flashcards

1
Q

Trapezius, SCM

A

C3, C4
Spinal accessory nerve

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2
Q

Rhomboids

A

C4, C5
Dorsal scapular nerve

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3
Q

Supraspinatus -> Infraspinatus

A

C5, C6
Upper trunk
Suprascapular n (passes through spinoglenoid notch)

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4
Q

Biceps brachii, brachialis

A

C5, C6
Upper trunk
Lateral cord
Musculocutaneous n

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5
Q

Deltoid, Teres minor

A

C5,C6
Upper Trunk
Posterior cord
Axillary n

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6
Q

Brachioradialis

A

C5, C6
Upper Trunk
Posterior cord
Radial n

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7
Q

Serratus Anterior

A

C5, C6, C7
Long thoracic n

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8
Q

Pectoralis Major

A

C5-8, T1
Upper, middle, lower trunks
Medial and Lateral cords
Medial and Lateral pectoral nerves

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9
Q

Pronator Teres, Flexor Carpi Radialis

A

C6, C7
Upper and middle trunks
Lateral cord
Median n

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10
Q

Extensor Carpi Radialis Longus

A

C6, C7
Upper and middle trunks
Posterior cord
Radial n

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11
Q

Triceps, anconeus

A

C6-8
Upper, middle, lower trunks
Posterior cord
Radial n

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12
Q

Latissimus Dorsi

A

C6-8
Upper, middle, lower trunks
Posterior cord
Thoracodorsal n

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13
Q

Extensor carpi ulnaris
Extensor digiti minimi
Extensor digitorum communis
ECRB

A

C7-8
Middle, lower trunks
Posterior cord
Radial n -> PIN (posterior interosseous n) -> superficial extensors

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14
Q

Flexor digitorum superficialis

A

C7-8
Middle, lower trunks
Medial, lateral cords
Median n

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15
Q

Flexor digitorum profundis 2, 3

A

C7-8, T1
Middle, lower trunks
Medial cord
Median nerve -> AIN

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16
Q

Pronator Quadratus
Flexor pollicus longus

A

C7-8, T1
Middle, lower trunks
Medial, lateral cords
Median n -> AIN

17
Q

Flexor digitorum profundus 4, 5

A

C7-8, T1
Middle, lower trunks
Medial cord
ULNAR N

18
Q

EPB
EPL
Abductor pollicis longus
Extensor indicis (proprius)
Supinator

A

C7-8
Middle, lower trunks
Posterior cord
Radial n -> PIN (Deep extensors)

19
Q

Abductor pollicis BREVIS
Flexor pollicis BREVIS
Opponens pollicis
Lumbricals 1, 2

A

C8, T1
Lower trunk
Medial cord
Median n

(Lumbricals face the thumb)

20
Q

Flexor carpi ulnaris
Abductor digiti minimi
Lumbricals 3, 4
First 1st dorsal interosseous
Interossei (3 PADs, 4 DABs)

A

C8, T1
Lower trunk
Medial cord
Ulnar n

21
Q

Skin over lateral forearm

A

C5-6
Upper trunk
Lateral cord
Musculocutaneous n ->
Lateral antebrachial cutaneous n

22
Q

Skin over medial forearm

A

C8-T1
Lower trunk
Musculocutaneous n
Medial antebrachial cutaneous n

Nerve Innervations (2 decks)

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