C8 flexor digitorum superficialis

myotomes Flashcards by Joe McAuley

shoulder abduction?

deltoid

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Shoulder adduction?

pec maj and lat dorsi

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Elbow flexion?

biceps brachii

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Elbow extension?

triceps brachii

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Finger flexion?

flexor digitorum superficialis

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Finger extension?

digit extensors

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Finger abduction?

Dorsal interossei

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Finger adduction?

Palmar interossei

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Wrist flexion?

C6/7

carpal flexors

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Wrist extension?

C7/8

Carpal extensors

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Hip flexion?

L2/3

Psoas major

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Hip extension?

L5/S1

Glut max and hamstrings

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Knee flexion?

Biceps femoris

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Knee extension?

Quadriceps femoris

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Ankle dorsiflexion?

Tibialis anterior

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Ankle Plantarflexion?

Gastrocnemius

Ankle inversion?

Tibialis anterior

Ankle eversion?

L5/S1

Fibularis longus & brevis

Great toe extension?

Extensor hallucis longus

Ankle jerk?

Knee Jerk?

Biceps jerk?

C5/6

Triceps jerk?

Wrist jerk?

C6
Brachioradialis
Radial nerve

function of erector spinae?

extend and lateral flex back

Flexion of back

Psoas major + rectus abdmominis

Where do CN 3-12 attach to spinal cord?

Midbrain - 3 and 4
pons - 5
pontomedullary junction - 6, 7, 8
medulla - 9, 10
C-spine - 11
lateral to pyramids - 12