Unit 3 Brachial Plexus Flashcards by brooke desrosiers

Q

Sections

A

Roots
Trunks
Divisions
Cords
Branches

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Q

Roots

A

C5-T1
5 in total

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Q

Divisions

A

Anterior
Posterior

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Q

Cords

A

Lateral
Medial
Posterior

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Q

Braches (Nerves)

A

Axillary
Radial
Musculocutaneous
Median
Ulnar

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Q

Flexor Nerves

A

Musculocutaneous
Median
Ulnar

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Q

Extensor Nerves

A

Axillary
Radial

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Q

Axillary Nerve Innervation

A

Deltoid
Teres minor

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Q

Radial Nerve Innervation

A

Triceps brachii (long, median, lateral heads)
Brachioradialis
Extensor carpi radialis (longus, brevis)
Posterior interosseous nerve
Supinator
Abductor pollicis longus
Extensor carpi ulnaris
Extensor digiti miniml
Extensor digitorum
Extensor indicis
Extensor pollicis (brevis, longus)

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Q

Musculocutaneous Nerve Innervation

A

Coracobrachialis
Bicep brachii
Brachialis

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Q

Median Nerve Innervation

A

Pronator teres
Flexor carpi radials
Palmaris longus
Flexor pollicis longus
Flexor digitorum profundus (2, 3)
Flexor digitorum superficialis
Thenar muscles
Lumbricals (2, 3)

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Q

Ulnar Nerve Innervation

A

Flexor carpi ulnaris
Flexor digitorum profundus (4, 5)
Palmar interossei
Adductor pollicis
Palmaris brevis
Hypothenar muscles
Lumbricals (4, 5)
Dorsal interossei

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Q

Long Thoracic Innervation

A

Serratus anterior

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Q

Suprascapular Innervation

A

Supraspinatus
Infraspinatus

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Q

Lateral Pectoral Innervation

A

Pectoralis major

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Q

Median Pectoral Innervation

A

Pectoralis major
Pectoralis minor

Q

Thoracodorsal Innervation

A

Latissimus dorsi

Q

Lower Subscapular Innervation

A

Subscapularis
Teres major

Q

Upper Subscapular Innervation

A

Subscapularis

Q

Erb-Duchenne Palsy

A

Injury to C5-C6 roots
Excess angle between neck & shoulder
Waiters tip

Q

Erb’s-Duchenne Palsy Impairments

A

Musculocutaneous & axillary nerves
Deltoid
Biceps
Brachialis
Medial rotation
Adduction
Extended elbow
Pronation of forearm

Q

Klumpke Paralysis

A

Excess angle between arm & body
C8-T1

Q

Klumpke Paralysis Impairments

A

Ulnar nerve
Decreased arm & hand movement
Loss of sensation (hand)

Q

Posterior Arm Innervation

A

Radial Nerve

Q

Anterior Arm Innervation

A

Musculocutaneous

Q

Anterior Forearm Innervation

A

Median nerve
Ulnar nerve