Dermatomes, Myotomes, Reflexes Flashcards

1
Q

What dermatome is the occipital protuberance and back of neck?

A

C2

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2
Q

What dermatome is the side of the neck and supraclavicular fossa?

A

C3

“turtle-neck shirt”

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3
Q

What dermatome is over the acromion?

A

C4

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4
Q

What dermatome is the regimental band area?

A

C5

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5
Q

What dermatome is the thumb and index finger (shooting gun)?

A

C6

you can make a 6 symbol by touching index and thumb together

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6
Q

What dermatome is the middle finger (fuck off)?

A

C7

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7
Q

What dermatome is the pinky?

A

C8

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8
Q

What dermatome is the medial arm up to the axilla?

A

T1

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9
Q

What dermatome is the apex of the axilla?

A

T2

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10
Q

What dermatome is the nipple?

A

T4

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11
Q

What dermatome is the umbilicus?

A

T10

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12
Q

What dermatome is the belt line?

A

T12

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13
Q

What dermatome is the groin crease?

A

L1

Ligament, 1nguinal

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14
Q

What dermatome is the medial upper thigh?

A

L2

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15
Q

What dermatome is the lateral thigh to the anterior knee?

A

L3

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16
Q

What dermatome is the knee and inner calf?

A

L4

On all [L]4s

17
Q

What dermatome is the outer calf and big toe?

A

L5

biggest of the [L]5 toes

18
Q

What dermatome is the small toe, sole of foot and back of the calf?

A

S1

19
Q

What dermatome is the back of the thigh?

A

S2

20
Q

What dermatomes surround the anus?

A

S3/4/5

21
Q

What myotomes innervate the deltoid?

A

C4/6

22
Q

What myotomes innervate the bicep?

A

C5/6

23
Q

What myotomes are responsible for wrist flexion?

A

C7

24
Q

What myotomes are responsible for finger flexion (stopping extension of fingers)?

A

C8

25
Q

What myotomes are responsible for adductor digiti minimi and interossei muscles (stopping pinky being pushed in)?

A

T1

26
Q

What myotomes are responsible for hip flexion?

A

L1/2

27
Q

What myotomes are responsible for knee extension?

A

L3/4

28
Q

What myotomes are responsible for dorsiflexion of the foot?

A

L4/5

29
Q

What myotomes are responsible for extensor hallicus longus innervation?

A

L5

30
Q

What myotomes are responsible for plantar-flexion of foot?

A

S1

31
Q

What nerve roots are responsible for the biceps reflex?

A

C5/6

32
Q

What nerve roots are responsible for the brachio-radialis reflex?

A

C5/6

33
Q

What nerve roots are responsible for the triceps reflex?

A

C7/8

34
Q

What nerve roots are responsible for the knee jerk reflex?

A

L3/4

35
Q

What nerve roots are responsible for the ankle reflex?

A

S1/2