Dermatomes/Myotomes/Reflexes

Question 1

C1

Answer 1

Affects breathing
Dermatome: Top of the head
Myotome: Head Flexion

Question 2

C2

Answer 2

Affects breathing
Dermatome: Temple, Forehead, Occiput
Myotome: Head Extension & Rotation

Question 3

C3

Answer 3

Affects breathing
Dermatome: Entire neck
Myotome: Lateral Flexion

Question 4

C4

Answer 4

Affects breathing
Dermatome: Shoulder, clavicle
Myotome: Shoulder Elevation

Question 5

C5

Answer 5

Dermatome: Deltoid, anterior radial arm
Myotome: Shoulder abduction
Reflexes: Biceps & brachiorad

Question 6

C6

Answer 6

Dermatome: Anterior arm, thumb and index
Myotome: Elbow flexion & Wrist extension
Reflexes: Bicep & brachiorad

Question 7

C7

Answer 7

Dermatome: Posterior arm to index, middle and ring finger
Myotome: Elbow extension & Wrist flexion
Reflexes: Triceps

Question 8

C8

Answer 8

Dermatome: Ulnar side of the wrist, pinky finger and ring finger
Myotome: Thumb extension
Reflexes: Triceps

Question 9

T1

Answer 9

Dermatome: Ulnar side of the forearm
Myotome: Fingers abduction & adduction

Question 10

L2

Answer 10

Dermatome: Medial side of thigh
Myotomes: hip flexion

Question 11

L3

Answer 11

Dermatome: Front of thigh, medial side of knee
Myotome: hip extension

Question 12

L4

Answer 12

Dermatome: Lateral side of thigh and leg to the medial side of the foot to the anterior of big toe
Myotome: ankle dorsiflexion

Question 13

L5

Answer 13

Dermatome: Lateral side of foot all the way to toes + posterior big fot
Myotome: Big toe extension

Question 14

S1

Answer 14

Dermatome: Knee flexion
Myotome: posterior ankle, heel of the foot

Question 15

S2

Answer 15

Dermatome: Medial posterior side of thigh to posterior leg and achillies
Myotome: knee extension