Dermatomes

Question 1

C2

Answer 1

lower jaw/upper neck (A), back of the head and ears (P)

Question 2

C3

Answer 2

inner part of the collarbone to the trap (A), upper neck and back of the head to top of the trap (P)

Question 3

C4

Answer 3

Sternum to upper shoulders (A), lower neck to upper shoulder (P)

Question 4

C5

Answer 4

lateral area of the collarbones, upper shoulder, lateral aspect of the upper arm (A), lower shoulder, lateral aspect of the upper arm (P)

Question 5

C6

Answer 5

lateral aspect of the forearm and cuboidal fossa into the thumb and index fingers (A); lateral aspect of the forearm and lateral elbow into the thumb (P)

Question 6

C7

Answer 6

middle finger up to wrist (A); middle and index fingers up to wrist (P)

Question 7

C8

Answer 7

Ring and pinky finger and medial aspect of distal forearm(A/P)

Question 8

T1

Answer 8

medial forearm into medial cuboidal fossa (A), Medial forearm into medial elbow (P)

Question 9

T2

Answer 9

Medial upper arm/bicep into chest (A), Medial aspect of the triceps and top of the elbow into the proximal end of the lats (P)

Question 10

L1

Answer 10

hip flexors and proximal pubis (A), lower back into hip Abductor (P)

Question 11

L2

Answer 11

lateral quad (A), Lower back to around the IT band and some of the lateral part of the glutes and hamstrings (P)

Question 12

L3

Answer 12

medial quad and hip Adductors to the knee and the top of the shins (A), Adductor muscles on the medial thigh and proximal medial gastroc (P)

Question 13

L4

Answer 13

medial shin down to the top of the medial foot (A), Medial gastroc down through achilles to the heel (P)

Question 14

L5

Answer 14

base of the knee down through the lateral shin and to the first 3 toes (A), base of the knee down through the lateral gastroc and to the first 3 toes (P)

Question 15

S1

Answer 15

lateral foot and toes 4 and 5 (A), Achilles down through the heel to toes 4 and 5 (P)

Question 16

S2

Answer 16

base of glutes down through majority of the hamstrings and through the center of the calf all the way down to the top of the achilles (P ONLY)

Question 17

S3

Answer 17

Genitals (A), medial aspect of the glutes (P)