Brachial nerve innervations Flashcards

1
Q

Musculocutaneous sensory

A

Lateral forearm

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2
Q

Musculocutaneous motor

A

Biceps brachii, brachialis, coracobrachialis

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3
Q

Median sensory

A

Lateral palm of the hand and dorsal tips of fingers

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4
Q

Median motor

A

Flexors of the forearm (excpet FCU and medial 1/2 of FDP), thenar muscles, two lateral lumbricals

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5
Q

Ulnar sensory

A

Ulnar side of the hand

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6
Q

Ulnar motor

A

FCU and and medial 1/2 od FDP, all muscles of the hand except thenar muscles and 2 lateral lumbricals

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7
Q

Axillary sensory

A

Deltoid region

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8
Q

Axillary motor

A

Deltoid, teres minor

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9
Q

Radial sensory

A

Posterior aspect of the arm and forearm and 1st dorsal interosseous web

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10
Q

Radial motor

A

Triceps brachii, extensors of the forearm

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11
Q

Musculocutanous palsy

A

Uncommen, paralysis of BBC

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12
Q

Median palsy

A

Supracondylar fracture = hand of benediction

Carpal tunnel = thenar atrophy

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13
Q

Ulnar palsy

A

Medial epicondyle fracture = claw hand

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14
Q

Axillary palsy

A

Dislocated shoulder, surgical neck fracture = paralysis and atrophy of deltoid

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15
Q

Radial palsy

A

Midshaft fracture = wrist drop and weakened elbow extension

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