Dermatomes and Myotomes

Question 1

What is a dermatome?

Answer 1

An area of skin supplied by a single spinal nerve

Question 2

What is a myotome?

Answer 2

A myotome is the group of muscles that a single spinal nerve innervates

Question 3

Dermatome C5

Answer 3

Lateral antecubital Fossa

Question 4

Dermatome C6

Answer 4

Thumb

Question 5

Dermatome C7

Answer 5

Middle Finger

Question 6

Dermatome C8

Answer 6

Little finger

Question 7

Dermatome T1

Answer 7

Medial Antecubital fossa

Question 8

Dermatome T4

Answer 8

Nips

Question 9

Dermatome T10

Answer 9

Belly Button

Question 10

Dermatome L1

Answer 10

Upper anterior thigh

Question 11

Dermatome L2

Answer 11

Mid anterior thigh

Question 12

Dermatome L3

Answer 12

Medial femoral condyle

Question 13

Dermatome L4

Answer 13

Medial malleols

Question 14

Dermatome L5

Answer 14

Dorsum 3rd MTP joint

Question 15

Dermatome S1

Answer 15

Lateral heel

Question 16

Dermatome S2

Answer 16

Popliteal Fossa

Question 17

Myotome C1/C2

Answer 17

Neck flexion/ extension

Question 18

Myotome C3

Answer 18

Neck lateral flexion

Question 19

Myotome C4

Answer 19

Shoulder elevation

Question 20

Myotome C5

Answer 20

Shoulder abduction

Question 21

Myotome C6

Answer 21

Elbow flexion

Question 22

Myotome C7

Answer 22

Elbow extension

Question 23

Myotome C8

Answer 23

Finger flexion (thumbs up)

Question 24

Myotome T1

Answer 24

Finger abduction and adduction

Question 25

Myotome L2

Answer 25

Hip flexion

Question 26

Myotome L3

Answer 26

Knee extension and hip adduction

Question 27

Myotome L4

Answer 27

Ankle dorsiflexion

Question 28

Myotome L5

Answer 28

Great toe extension

Question 29

Myotome S1

Answer 29

Ankle plantar flexion and hip extension

Question 30

Myotome S2

Answer 30

Knee flexion

Question 31

Myotome S3-S4

Answer 31

Anal wink