Dermatomes Flashcards

1
Q

What dermatome is associated with the perineum?

A

S2-S4

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2
Q

What dermatome is associated with the Lateral foot?

A

S1

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3
Q

What dermatome is associated with the knee and distal thigh?

A

L3-L4

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4
Q

What dermatome is associated with the inguinal ligament?

A

T12

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5
Q

What dermatome is associated with the umbilicus?

A

T10

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6
Q

What dermatome is associated with the xyphoid process?

A

T6

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7
Q

What dermatome is associated with the nipple?

A

T4

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8
Q

What dermatome is associated with the inner forearm?

A

T1-T2

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9
Q

What dermatome is associated with the thumb and index finger?

A

C6-C7

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10
Q

What dermatome is associated with the shoulder and clavicle?

A

C4-C5

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11
Q

What myotome is associated with neck flexion/extension?

A

C1/C2

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12
Q

What myotome is associated with neck lateral flexion?

A

C3

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13
Q

What myotome is associated with shoulder elevation?

A

C4

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14
Q

What myotome is associated with shoulder abduction?

A

C5

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15
Q

What myotome is associated with elbow flexion and wrist extension?

A

C6

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16
Q

What myotome is associated with elbow extension and wrist flexion?

A

C7

17
Q

What myotome is associated with thumb extension and ulnar deviation?

A

C8

18
Q

What myotome is associated with abduction or adduction of hand intrinsics?

A

T1

19
Q

What myotome is associated with knee extension?

A

L3

20
Q

What myotome is associated with hip flexion?

A

L1/L2

21
Q

What myotome is associated with ankle dorsiflexion?

A

L4

22
Q

What myotome is associated with toe extension?

A

L5

23
Q

What myotome is associated with ankle planter flexion/eversion, hip extension, knee flexion?

A

S1

24
Q

What myotome is associated with knee flexion?

A

S2

25
Q

What myotome is associated with rectal sphincter tone?

A

S3

26
Q

What portion of the spinal chord is covered by the cervical plexus?

A

C1-C4

27
Q

What portion of the spinal chord is covered by the interscalene?

A

C5-C7

28
Q

What portion of the spinal chord is covered by the brachial plexus?

A

C5-T1

29
Q

What are the main nerves of the arm?

A

axillary
musculocutaneous
median
radial
ulnar

30
Q

What portion of the spinal chord is covered by the lumbar plexus?

A

L1-L4

31
Q

What portion of the spinal chord is covered by the sacral plexus?

A

S1-S4 + L4&L5

32
Q

What portion of the spinal chord is covered by the sciatic nerve?

A

L4-S3