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Anatomy > Dermatomes and Myotomes > Flashcards

Dermatomes and Myotomes Flashcards

1
Q

C6 dermatome

A

Thumb

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2
Q

C7 dermatome

A

Middle finger

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3
Q

C8 dermatome

A

Pinky (ring and little finger)

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4
Q

T4 dermatome

A

Nipple level

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5
Q

T10 dermatome

A

Umbilicus level

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6
Q

L4 dermatome

A

Big toe

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7
Q

S1 dermatome

A

Lateral heel

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8
Q

Where can you pick up clear dermatomal losses

A

Extreme ends/frontiers/autonomous zones. Axial lines/border between non-adjacent dermatomes

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9
Q

Testing biceps reflex involves which spinal nerves?

A

C5 and C6

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10
Q

Testing brachioradialis reflex involves which spinal nerve?

A

C6

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11
Q

Testing triceps reflex involves which spinal nerve?

A

C7

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12
Q

Testing patellar reflex involves which spinal nerve?

A

L4

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13
Q

Testing Achilles reflex involves which spinal nerve?

A

S1

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14
Q

C5 is a heavier innervator of abductors? T/F

A

True

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15
Q

C6 is a heavier innervator of flexors? T?F

A

True

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16
Q

What movement/s to test C5?

A

Dominant movement: Shoulder abduction (note C6 also involved but C5 dominates) and shoulder flexion

17
Q

What movement/s to test C6?

A

Shoulder abduction/flexion
Elbow flexion
Wrist flexion/extension

18
Q

What movement/s to test C7?

A

Dominant movement: Elbow extension and also wrist flexion

19
Q

What single movement to both test C6 and C7?

A

Dominant movement: Wrist extension

20
Q

What movement/s to test C8?

A

Dominant movement: Thumb opposition and reposition + finger flexion

21
Q

What movement/s to test T1?

A

Dominant movement: Abduction and Adduction of fingers

22
Q

What movement/s to test L2?

A

Dominant movement: Hip flexion

23
Q

What movement/s to test L3 and L4?

A

Dominant movement: Knee extension

24
Q

What movement/s to test L5 and S1?

A

Dominant movement: Knee flexion

25
Q

What movement/s to test L4?

A

Dominant movement: Ankle dorsiflexion

26
Q

What movement/s to test S1?

A

Dominant movement: Ankle plantarflexion, hip extension and knee flexion

27
Q

Which dermatome for thumb

A

C6

28
Q

Which dermatome for middle finger

A

C7

29
Q

Which dermatome for 5th finger

A

C8

30
Q

Which dermatome for nipple level

A

T4

31
Q

Which dermatome for umbilicus level

A

T10

32
Q

Which dermatome for big toe

A

L4

33
Q

Which dermatome for lateral heel

A

S1

Anatomy (1 decks)

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