Objective 14 - Dermatomes, Myotomes, DTRs Flashcards

1
Q

Myotome: C5

Muscle? Action?

A

Biceps brachialis

Elbow flexors

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2
Q

Myotome: C6

Muscle? Action?

A

Extensor carpi radialis

Wrist extensors

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3
Q

Myotome: C7

Muscle? Action?

A

Triceps

Elbow extensors

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4
Q

Myotome: C8

Muscle? Action?

A

Flexor digitorum profundus

Finger flexors

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5
Q

Myotome: T1

Muscle? Action?

A

Abductor digiti minimi

Small finger abductor

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6
Q

Myotome: L2

Muscle? Action?

A

Iliopsoas

Hip flexors

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7
Q

Myotome: L3

Muscle? Action?

A

Quadriceps

Knee extensors

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8
Q

Myotome: L4

Muscle? Action?

A

Tibialis anterior

Ankle dorsiflexors

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9
Q

Myotome: L5

Muscle? Action?

A

Extensor hallucis longus

Long toe extensors

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10
Q

Myotome: S1

Muscle? Action?

A

Gastrocnemius

Ankle plantarflexors

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11
Q

DTR: Biceps
Muscles?
Spinal segment? Peripheral nerve?

A

Biceps brachii
C5
Musculocutaneous N.

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12
Q

DTR: Brachioradialis
Muscles?
Spinal segment? Peripheral nerve?

A

Bracioradialis
C6
Radial

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13
Q

DTR: Triceps
Muscles?
Spinal segment? Peripheral nerve?

A

Triceps brachii
C7
Radial

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14
Q

DTR: Patellar
Muscles?
Spinal segment? Peripheral nerve?

A

Quadriceps femoris
L4
Femoral

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15
Q

DTR: Babinski
Muscles?
Spinal segment? Peripheral nerve?

A

Toe extensor
L4-L5, S1-S2
Tibial

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16
Q

DTR: Achilles
Muscles?
Spinal segment? Peripheral nerve?

A

Gastrocnemius, soleus
S1
Tibial

17
Q

Dermatome: C2

A

Occipital protuberance

18
Q

Dermatome: C3

A

Supraclavicular fossa

19
Q

Dermatome: C4

A

Superior AC joint

20
Q

Dermatome: C5

A

Lateral side of antecubital fossa

21
Q

Dermatome: C6

A

Thumb

22
Q

Dermatome: C7

A

Middle finger

23
Q

Dermatome: C8

A

Little finger

24
Q

Dermatome: T1

A

Medial (ulnar) side of antecubital epicondyle

25
Q

Dermatome: T2

A

Apex of axilla

26
Q

Dermatome: T4

A

Nipple line

27
Q

Dermatome: T6

A

Xiphoid at mid-clavicular line

28
Q

Dermatome: T10

A

Umbilicus

29
Q

Dermatome: T12

A

Inguinal ligament

30
Q

Dermatome: L2

A

Mid-anterior thigh

31
Q

Dermatome: L3

A

Medial femoral condyle

32
Q

Dermatome: L4

A

Medial malleolus

33
Q

Dermatome: L5

A

Dorsum of foot at 3rd MTP joint

34
Q

Dermatome: S1

A

Lateral heel

35
Q

Dermatome: S2

A

Popliteal fossa

36
Q

Dermatome: S3

A

Ischial tuberosity

37
Q

Dermatome: S4, S5

A

Perianal area