Dermatomes and Myotomes Flashcards

1
Q

Dermatome of C4

A

Clavicle and shoulder tip

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2
Q

Dermatome of C5

A

Badge patch

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3
Q

Dermatome of C6

A

Thumb + index

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4
Q

Dermatome of C7

A

Index + middle finger

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5
Q

Dermatome of C8

A

Ring + pinky

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6
Q

Dermatome of T4

A

Nipple

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7
Q

Dermatome of T7

A

Xiphoid

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8
Q

Dermatome of T10

A

Umbilicus

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9
Q

Dermatome of L1

A

Inguinal Ligament (IL)

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10
Q

Dermatome of L4

A

Medial malleolus

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11
Q

Dermatome of L5

A

Lateral calf and dorsal of foot (including big toe)

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12
Q

Dermatome of S1

A

Heel

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13
Q

Myotome of C5

A

Deltoid

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14
Q

Action of C5 myotome

A

Shoulder abduction

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15
Q

Myotome of C6

A

Biceps brachii

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16
Q

Action of C6 myotome

A

Elbow flexion

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17
Q

Myotome of C7

A

Triceps brachii

18
Q

Action of C7 myotome

A

Elbow extension

19
Q

Myotome of C8

A

Flexor digitorum superficialis

20
Q

Action of C8 myotome

A

Finger flexion

21
Q

Dermatome of T1

A

Medial forearm

22
Q

Dermatome of T1

A

Medial arm

23
Q

Dermatome of T12

A

Pubic symphysis

24
Q

Dermatome of S2

A

Posterior knee

25
Q

Dermatome of S3

A

Buttocks

26
Q

Dermatome of S4

A

Perineum

27
Q

Dermatome of S5

A

Anal skin

28
Q

Myotome of T1

A

Dorsal interossei

29
Q

Action of T1 myotome

A

finger abduction

30
Q

Myotome of L2

A

Iliopsoas

31
Q

Action of L2 myotome

A

Hip flexion

32
Q

Myotome of L3

A

Quadrates femoris

33
Q

Action of L3 myotome

A

Knee extension

34
Q

Myotome of L4

A

Tibialis anterior

35
Q

Action of L4 myotome

A

Ankle dorsiflexion

36
Q

Myotome of L5

A

Extensor hallucis longus

37
Q

Action of L5 myotome

A

Big toe extension

38
Q

Myotome of S1

A

Gastrocnemius

39
Q

Action of S1 myotome

A

Ankle plantar flexion

40
Q

Myotome of S2

A

Biceps femoris

41
Q

Action of S2 myotome

A

Knee flexion