DERMOTOMES, MYOTOMES, REFLEX TESTS

C2 Dermatome

Side of head

C3 Dermatome

Lateral neck

C4 Dermatome

Anteromedial shoulder

C5 Dermatome

Lateral shoulder

C6 Dermatome

Distolateral arm, pad of digit 1

C7 Dermatome

Pad of digit 3

C8 Dermatome

Hypothenar eminence, pad of digit 5

T1 Dermatome

Medial forearm

L1 Dermatome

Groin

L2 Dermatome

Anterior middle thigh

L3 Dermatome

Medial distal thigh, medial knee

L4 Dermatome

Lateral knee, medial distal leg

L5 Dermatome

Lateral leg, dorsum of great toe

S1 Dermatome

Lateral foot, lateral digit 5

S2 Dermatome

Medial plantar surface of heel

C1 Myotome

Capital flexion

C2 Myotome

Capital extension

C3 Myotome

Cervical lateral flexion

C4 Myotome

Scapular elevation

C5 Myotome

Shoulder abduction, elbow flexion

C6 Myotome

Wrist extension

C7 Myotome

Elbow extension

C8 Myotome

Thumb extension, finger flexion

T1 Myotome

Finger adduction, finger abduction

L2 Myotome

Hip flexion

L3 Myotome

Knee extension

L4 Myotome

Ankle dorsiflexion with foot inversion

L5 Myotome

Great toe extension

S1 Myotome

Foot eversion, ankle plantar flexion

S2 Myotome

Flexion of digits 2-5

C4 Muscle Stretch Reflex

Levator scapulae

C5 Muscle Stretch Reflex

Deltoid, biceps brachii

C6 Muscle Stretch Reflex

Biceps brachii, brachioradialis

C7 Muscle Stretch Reflex

Triceps brachii

C8 Muscle Stretch Reflex

Long finger flexors

L3 Muscle Stretch Reflex

Quadriceps

L4 Muscle Stretch Reflex

Quadriceps

L5 Muscle Stretch Reflex

Medial hamstrings

S1 Muscle Stretch Reflex

Gastrocnemius and soleus