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Applied Anatomy > Dermatomes + Myotomes > Flashcards

Dermatomes + Myotomes Flashcards

1
Q

Dermatome

C3

A

Upper neck, back of head

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2
Q

Dermatome

C4

A

Lower neck, upper shoulders

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3
Q

Dermatome

C5

A

Across the lower shoulders, middle portion of anterior arm/forearm

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4
Q

Dermatome

C6

A

Lateral aspect of anterior and posterior of arm and forearm

Thumb

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5
Q

Dermatome

C7

A

Posterior aspect of middle of arm and forearm

Index and middle finger

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6
Q

Dermatome

C8

A

Medial aspect of arm and forearm

Ring and little finger

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7
Q

Dermatome

T1

A

Upper chest and back, armpit and anteromedial aspect of arm

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8
Q

Dermatome

L1

A

Lower back, hips and groin

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9
Q

Dermatome

L2

A

Lower back, front and inside of thigh

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10
Q

Dermatome

L3

A

Lower back, front and inside of thigh, just above knee

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11
Q

Dermatome

L4

A

Lower back, front of thigh and lower leg, area of knee, medial ankle and toe

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12
Q

Dermatome

L5

A

Lower back, front and lateral aspect of lower leg

Palmar and dorsal foot, toes 2-4

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13
Q

Dermatome

S1

A

Lower back, posterior calf, little toe

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14
Q

Myotomes

C4

A

Upper fibres of trapezius- shoulder elevation

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15
Q

Myotomes

C5

A

Deltoid- shoulder abduction

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16
Q

Myotomes

C6

A

Biceps- elbow flexion

17
Q

Myotomes

C7

A

Triceps- elbow extension

18
Q

Myotomes

C8

A

Extensor pollicis longus- extension of distal phalanx of thumb

19
Q

Myotomes

T1

A

Palmar interosseous muscle- finger adduction

20
Q

Myotomes

L1/2

A

Iliopsoas- hip flexion

21
Q

Myotomes

L3

A

Quadriceps femoris- knee extension

22
Q

Myotomes

L4

A

Tibiallis anterior- ankle dorsi flexion with inversion

23
Q

Myotomes

L5

A

Extensor hallucis longus- big toe extension

24
Q

Myotomes

S1

A

Hamstring- knee flexion
Soleus- plantar flexion
Ask patient to stand on one leg then up on toes

25
Q

Myotomes

S2

A

Soleus

Toe raises

Applied Anatomy (13 decks)

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