1.2.1 Dermatomes of the Upper Limb Flashcards

1
Q

What is the definition of a Dermatome?

A

The area of skin supplied by one spinal segmen

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2
Q

What does dermatome C5 supply?

A

The anterior-most part of the arm

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3
Q

What does dermatome C6 supply?

A
  1. The lateral-most part of the arm
  2. The lateral-most part of the wrist
  3. The thumb
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4
Q

What does dermatome C7 supply?

A
  1. The posterior-most part of the arm
  2. The middle park of the wrist
  3. The index finger
  4. The middle finger
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5
Q

What does dermatome C8 supply?

A
  1. The medial-most part of the arm
  2. The medial-most part of the wrist
  3. The ring-finger
    4, The pinkie-finger
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6
Q

What is the clinical relevance of dermatomes?

A

Injury to the spinal cord / nerve roots conforms to dermatomes

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