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MSK Block 1 > Upper Extremity Neurology > Flashcards

Upper Extremity Neurology Flashcards

1
Q

Cervical Plexus

Anterior Rami C1-C4

A 
Supraclavicular Nerve (Middle, Lateral and Medial)
    Cutaneous nerve for shoulder and neck
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2
Q

Brachial Plexus

Roots Region

A

Anterior Rami (C5- C8, T1)
Dorsal Scapular N.
Long Thoracic N.
Muscular Branches

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3
Q

Brachial Plexus

Trunks Region

A

Superior Trunk
Suprascapular N., Subclavian N.
Middle Trunk
Inferior Trunk

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4
Q

Brachial Plexus

Divisions Region

A

No Branches
Anterior Division in front of Axillary A.
Posterior Division behind Axillary A.

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5
Q

Brachial Plexus

Cords Region

A

Lateral Cord
Medial Cord
Posterior Cord

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6
Q

Lateral Cord Branch

A

Lateral Pectoral N. (pec. major m.)

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7
Q

Medial Cord Branches

A

Medial Pectoral N. (pec major/minor ms.)
Medial Brachial Cutaneous N.
Medial Antebrachial Cutaneous N.

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8
Q

Posterior Cord Branches

A

Superior Subscapular N.
Inferior Subscapular N. (teres major)
Thoracodorsal N.

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9
Q

Brachial Plexus

Terminal Branches Region

A 
5 Major Branches:
Musculocutaneous N.
Axillary N.
Median N.
Ulnar N.
Radial N.
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10
Q

Musculocutaneous Nerve and Branch

A

Innervates Anterior Arm Muscles

Lateral Antebrachial Cutaneous N.
Innervates Lateral Forearm Skin

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11
Q

Axillary Nerve and Branch

A

Innervates Deltoid M. and Teres Minor M.

Superior Lateral Brachial Cutaneous N.
Superior Lateral Brachial Skin

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12
Q

Median Nerve and Branches

A

Innervates Pronator Teres, Flexor Carpi Radialis, Flexor Digitorum Superficialis and Palmaris Longus

Anterior Interosseous N.
Palmar Cutaneous Branch of Median N.
Recurrent Branch of Median N.
Medial Branch Median N.
Lateral Branch Median N.
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13
Q

Anterior Interosseous Nerve Innervation

A

Lateral Half Flexor Digitorum Profundus M.
Flexor Pollicis Longus M.
Pronator Quadratus M.

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14
Q

Palmar Cutaneous Branch of Median Nerve Innervation

A

Central Palm Skin

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15
Q

Recurrent Branch of Median Nerve Innervation

A

Superficial Flexor Pollicis Brevis M.
Abductor Pollicis Brevis M.
Opponens Pollicis M.

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16
Q

Lateral Branch of Median Nerve and Branch

A

Innervates 1st Lumbrical M.

Common Palmar Digital N.
Proper Palmar Digital N. (for lateral 2 digits)

17
Q

Medial Branch of Median Nerve and Branches

A

Innervates 2nd Lumbrical

Common Palmar Digital N.
Proper Palmar Digital N. (medial 2nd digit-lateral 4th digit)

18
Q

Ulnar Nerve and Branches

A

Innervates Flexor Carpi Ulnaris M. and Medial Half Flexor Digitorum Profundus M.

Dorsal Cutaneous Branch Ulnar N.
Palmar Cutaneous Branch Ulnar N.
Superficial Ulnar N.
Deep Ulnar N.

19
Q

Dorsal Cutaneous Nerve and Branch

A

Innervates medial dorsal hand skin

Dorsal Digital N.

20
Q

Palmar Cutaneous Branch of Ulnar Nerve

A

Innervates distal antebrachial skin and medial palm skin

21
Q

Deep Ulnar Nerve

A 
Innervates:
Deep Flexor Pollicis Brevis M.
Adductor Pollicis M.
3rd and 4th Lumbrical Ms.
Dorsal Interosseous Ms.
Palmar Interosseous Ms.
Abductor Digiti Minimi M.
Flexor Digiti Minimi M.
Opponens Digiti Minimi M.
22
Q

Superficial Ulnar Nerve Branches

A

Common Palmar Digital N.

Proper Palmar Digital N. (medial 4th-5th digits)

23
Q

Radial Nerve and Branches

A

Innervates: Triceps Brachii, Anconeus, Brachioradialis and Extensor Carpi Radialis Longus Ms.

Posterior Brachial Cutaneous N.
Inferior Lateral Brachial Cutaneous N. 
Superficial Radial N. 
Deep Radial N. 
Posterior Interosseous N. (Deep Radial after supinator)
Posterior Antebrachial Cutaneous N.
24
Q

Deep Radial Nerve

A

Innervates Supinator M. And Extensor Carpi Radialis Brevis M.

Becomes Posterior Interosseous N. after supinator m.

25
Q

Posterior Interosseous Nerve

A 
Innervates:
Extensor Digitorum M.
Extensor Digiti Minimi M.
Extensor Carpi Ulnaris M. 
Extensor Indicis M. 
Abductor Pollicis Longus M. 
Extensor Pollicis Longus M. 
Extensor Pollicis Brevis M.
26
Q

Superficial Radial Nerve and Branches

A

Innervates Lateral Dorsal skin

Dorsal Digital N.
Digits 1-Lateral 4th

27
Q

Thoracic Spinal Nerves

A

Intercostobrachial N.

Upper Medial Brachial Cutaneous innervation

MSK Block 1 (8 decks)

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