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Upper Limb Nerves > Nerve Course > Flashcards

Nerve Course Flashcards

1
Q

Discuss the course of the Axillary nerve

A

Quadrangular space>ant to SS>surgical neck of humerus

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2
Q

Discuss the course of the Musculocutaneous nerve

A

Pierces Coracobrachialis

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3
Q

Discuss the course of the radial nerve

A

Triangular interval>Spiral groove>between brachialis and BR>supinator>neck of radius>near anatomical snuffbox

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4
Q

Discuss the course of the ulnar nerve

A

Medial head triceps>Behind ME (Olecranon)>pierces FCU>travels with FDP>hook of hamate

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5
Q

Discuss the course of the median nerve

A

Behind bicipital aponeurosis, on top of brachialis>between two heads of PT>betweenFDS and FCR>carpal tunnel

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6
Q

Muscular innervation of Axillary nerve

A

Deltoids, long head of triceps, Teres minor

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7
Q

Muscular innervation of Musculocutaneous nerve

A

CB, Biceps, Brachialis

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8
Q

Muscular innervation of radial nerve

A

Arm extensors, forearm extensors

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9
Q

Muscular innervation of the ulnar nerve

A

FCU, 1/2 FDP, all intrinsics x Medial 2 lumbricals, Flexor Pollicis brevis, abductor pollicis brevis, opponens pollicis

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10
Q

Muscular innervation of the median nerve

A

Forearm flexors (x FCU, 1/2 FDP), Medial 2 lumbricals, Opponens pollicis, abductor pollicis brevis, flexor pollicis brevis

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11
Q

Common injuries to Axillary nerve

A

Inferior dislocation/subluxation: reduced abduction, loss of sensation

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12
Q

Common injuries to Radial

A

Inferior dislocation/subluxation: wrist drop, muscle wasting (extensors)

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13
Q

Common injuries to ulnar nerve

A

Ulnar nerve palsy, frictionitis, contusion, paradox

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14
Q

Common injuries to Median nerve

A

Carpal tunnel: sensation affected (x palm), wasting of thenar eminence, opposition lost, forearm flexors lost

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15
Q

Sensory innervation by axillary nerve

A

“military badge” region

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16
Q

Sensory innervation by musculocutaneous nerve

A

Lateral forearm (medial: medial antebrachial cutaneous)

17
Q

Sensory innervation by radial nerve

A

Dorsal medial 2 1/2 fingers (x nail beds), posterior forearm and arm

18
Q

Sensory innervation by ulnar nerve

A

Palmar: medial 1 1/2 fingers, Dorsal: Medial 2 1/2 fingers (only 1 1/2 nail beds)

19
Q

Sensory innervation by median nerve

A

Palmar: Lateral 3 1/2 fingers and palm, Dorsal: 3 1/3 nail beds

Upper Limb Nerves (1 decks)

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