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MSRA > Dermatomes/Nerve Roots > Flashcards

Dermatomes/Nerve Roots Flashcards

1
Q

L3 Nerve Root Compression

A

Sensory loss over anterior thigh
Weak hip flexion, knee extension and hip adduction
Reduced knee reflex
Positive femoral stretch test

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2
Q

L4 nerve root compression

A

Sensory loss anterior aspect of knee and medial malleolus
Weak knee extension and hip adduction
Reduced knee reflex
Positive femoral stretch test

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3
Q

L5 Nerve Root Compression

A

Sensory loss dorsum of foot
Weakness in foot and big toe dorsiflexion
Reflexes intact
Positive sciatic nerve stretch test

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4
Q

S1 Nerve root compression

A

Sensory loss posterolateral aspect of leg and lateral aspect of foot
Weakness in plantar flexion of foot
Reduced ankle reflex
Positive sciatic nerve stretch test

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5
Q

C4 dermatome

A

Over the AC joint

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6
Q

C5 dermatome

A

Regimental badge patch

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7
Q

C6 dermatome

A

Palmar side of the thumb

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8
Q

C7

A

Palmar side of the middle finger

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9
Q

C8 dermatome

A

Palmar side of the little finger

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10
Q

T1 dermatome

A

Medial aspect of the AC fossa (inside of the arm)

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11
Q

T4 dermatome

A

Nipple

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12
Q

T10 dermatome

A

Umbilicus

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13
Q

L1 dermatome

A

Inguinal region and the very top of the medial thigh

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14
Q

L2 dermatome

A

Middle and lateral aspect of the anterior thigh

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15
Q

L3 dermatome

A

Medial epicondyle of the femur

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16
Q

L4 dermatome

A

Medial malleolus

17
Q

L5

A

Dorsum of the foot at the third metatarsophalangeal joint

18
Q

S1 dermatome

A

Lateral aspect of the calcaneuos

19
Q

S2 dermatome

A

Midpoint of the popliteal fossa

20
Q

S3 dermatome

A

Horizontal gluteal crease

21
Q

S4/S5

A

Perianal area

22
Q

C4 myotome

A

Shoulder shrugs

23
Q

C5 myotome

A

Shoulder abduction

24
Q

C6 myotome

A

Wrist extension

25
Q

C7 myotome

A

Elbow extension and wrist flexion

26
Q

C8 myotome

A

Thumb extension and finger flexion

27
Q

T1 myotome

A

Finger abduction

28
Q

L2 myotome

A

Hip flexion

29
Q

L3 myotome

A

Knee extension

30
Q

L4 myotome

A

Ankle dorsiflexion

31
Q

L5 myotome

A

Big toe extension

32
Q

S1 myotome

A

Ankle plantar flexion

33
Q

S4

A

Bladder and rectum motor supple

MSRA (23 decks)

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