Dermatomes

Question 1

Rating scale

Answer 1

0 = absent (no perception)

1 = impaired (inconsistent, hypo or hyper sensitive)

2 = normal (recognizes sensation accurately)

Question 2

C2

Answer 2

Along sternoeidomastoid

Question 3

C3

Answer 3

Over upper trapezius

Question 4

C4

Answer 4

Along clavicle to acromion

Question 5

C5

Answer 5

Deltoid down to lateral aspect of arm, proximal to elbow

Question 6

C6

Answer 6

Lateral forearm from distal elbow to tip of thumb

Question 7

C7

Answer 7

Front and back of middle finger

Question 8

C8

Answer 8

Ulnar side of hand and pinky finger

Question 9

T1

Answer 9

Medial aspect of forearm

Question 10

T2

Answer 10

Medial aspect of upper arm

Question 11

L2

Answer 11

Anterior thigh

Question 12

L3

Answer 12

Front of knee

Question 13

L4

Answer 13

Medial leg from knee to ankle

Question 14

L5

Answer 14

Lateral leg, crossing top of foot, and ending on big toe

Question 15

S1

Answer 15

Lateral foot and heel

Question 16

S2

Answer 16

Back of knee from distal gastrocs to hamstrings

Question 17

Low sacral levels

Answer 17

Patient report of sensation changes

Question 18

Proprioception is characteristically lost in what pattern?

Answer 18

Distal to proximal

May be relevant w/systemic issues or peripheral nerve injuries

Question 19

Definition of dermatome

Answer 19

Area of skin supplied by single pair of spinal nerves (31 pairs of spinal nerves)