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MSK > ASIA dermatomes/myotomes > Flashcards

ASIA dermatomes/myotomes Flashcards

1
Q

Dermatomes are graded on a scale of:

A

0/2-2/2

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2
Q

C5 dermatome

A

Lateral epicondyle of humerus

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3
Q

C6 dermatome

A

Dorsum of index finger

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4
Q

C7 dermatome

A

Dorsum of middle finger

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5
Q

C8 dermatome

A

Ulnar aspect of palm

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6
Q

T1 dermatome

A

Medial epicondyle of humerus

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7
Q

Myotomes are graded on a scale of:

A

0/5-5/5

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8
Q

0/5 grading for a myotome suggests:

A

Nil muscle activation

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9
Q

3/5 grading for a myotome suggests:

A

The muscle is able to move against the resistance of gravity only

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10
Q

4/5 grading for a myotome suggests:

A

The muscle is able to move against mild resistance by the examiner

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11
Q

5/5 grading for a myotome suggests:

A

Normal power

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12
Q

C5 myotome

A

Elbow flexion

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13
Q

C6 myotome

A

Wrist extension

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14
Q

C7 myotome

A

Elbow extension

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15
Q

C8 myotome

A

Finger flexion

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16
Q

T1 myotome

A

Finger abduction

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17
Q

C5 dermatome and myotome

A

Dermatome = lateral epicondyle of humerus
Myotome = elbow flexion

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18
Q

C6 dermatome and myotome

A

Dermatome = dorsum of index finger
Myotome = wrist extension

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19
Q

C7 dermatome and myotome

A

Dermatome = dorsum of middle finger
Myotome = elbow extension

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20
Q

C8 dermatome and myotome

A

Dermatome = ulnar aspect of palm
Myotome = finger flexion

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21
Q

T1 dermatome and myotome

A

Dermatome = medial epicondyle of humerus
Myotome = finger abduction

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22
Q

Which dermatome is tested over the lateral epicondyle of the humerus?

A

C5

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23
Q

Which dermatome is tested over the dorsal aspect of the index finger?

A

C6

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24
Q

Which dermatome is tested over the dorsal aspect of the middle finger?

A

C7

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25
Q

Which dermatome is tested over the ulnar surface of the hand?

A

C8

26
Q

Which dermatome is tested over the medial epicondyle of the humerus?

A

T1

27
Q

Which myotome is being tested in elbow flexion?

A

C5

28
Q

Which myotome is being tested in wrist extension?

A

C6

29
Q

Which myotome is being tested in elbow extension?

A

C7

30
Q

Which myotome is being tested in finger flexion?

A

C8

31
Q

Which myotome is being tested in finger abduction?

A

T1

32
Q

L2 dermatome

A

Anterior thigh

33
Q

L3 dermatome

A

Over the knee

34
Q

L4 dermatome

A

Medial malleolus

35
Q

L5 dermatome

A

Lateral malleolus

36
Q

S1 dermatome

A

Base of first metatarsal

37
Q

L2 myotome

A

Hip flexion

38
Q

L3 myotome

A

Knee extension

39
Q

L4 myotome

A

Dorsiflexion

40
Q

L5 myotome

A

Hallux dorsiflexion

41
Q

S1 myotome

A

Plantarflexion

42
Q

L2 dermatome and myotome

A

Dermatome = anterior thigh
Myotome = hip flexion

43
Q

L3 dermatome and myotome

A

Dermatome = over the knee
Myotome = knee extension

44
Q

L4 dermatome and myotome

A

Dermatome = medial malleolus
Myotome = dorsiflexion

45
Q

L5 dermatome and myotome

A

Dermatome = lateral malleolus
Myotome = hallux dorsiflexion

46
Q

S1 dermatome and myotome

A

Dermatome = base of first metatarsal
Myotome = plantarflexion

47
Q

Which dermatome is tested over the anterior thigh?

A

L2

48
Q

Which dermatome is tested over the knee?

A

L3

49
Q

Which dermatome is tested over the medial malleolus?

A

L4

50
Q

Which dermatome is tested over the lateral malleolus?

A

L5

51
Q

Which dermatome is tested over the base of the first metatarsal?

A

S1

52
Q

Which myotome is tested with hip flexion?

A

L2

53
Q

Which myotome is tested with knee extension?

A

L3

54
Q

Which myotome is tested with dorsiflexion

A

L4

55
Q

Which myotome is tested with hallux dorsiflexion?

A

L5

56
Q

Which myotome is tested with plantarflexion?

A

S1

57
Q

Which spinal levels are responsible for the patellar reflex?

A

L3/4

58
Q

Which reflex tests function of L3/4?

A

Patellar tendon reflex

59
Q

Which spinal levels are responsible for the plantar jerk reflex?

A

S1/2

60
Q

Which reflex tests function of S1/2?

A

Plantar jerk reflex

MSK (3 decks)

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