1. Electrode Placement
and Protocol Guidelines

2. Dermatome Chart
Front
C3
C4 C4
T2
T3
T4
T5
T6
T7
T8
T9
T10
T11
T12
L1
L2 L2
L3 L3
L4
S1
L5
L4
S1
L5
C5
T2
T1
C8
C7
C6
Cervical
Supraclavicular
Intercostobrachial
Lateral
Medial & Lateral
Radial
Median
Ulnar
Upper & Lower Lateral
Anterior
Thoracic Rami
Illohypogastric
Femoral Branch
of Genitofemoral
Illoinguinal
Obturator
Saphenous
Superficial &
Deep Peroneal
Lateral of Thigh
Medial of Thigh
Intermediate
of Thigh
Lateral
Cutaneus

3. Dermatome Chart
Back
C2
C3
C4
C5
C7
T1
C6
C8
T1
T2 T3
T4
T5
T6
T7
T8
T9
T10
T11
T12
L1
L2
S3
S4
S5
L3
S2
L4
L5
S1
Great & Small Occipital
Auricular
Cervical
Supraclavicular
Upper Lateral
Cutaneous
Posterior Lateral
Cutaneous
Medial Cutaneous
Radial
Median
Ulnar
Thoracic
Posterior Rami
Sacral
Lumbar
Obturator
Lateral Femoral
Cutaneous
Medial Femoral
Cutaneous
Posterior Femoral
Cutaneous
Lateral Cutaneous
Saphenous
Sural
Medial Calcaneal

4. Dermatome Chart
Foot
S1
L5 L4
Sural
Lateral
Plantar Medial
Medial
Calcaneal

5. Peripheral Nerves
Chart 1
12
1
5
Cervical Plexus
Brachial Plexus
Phrenic
Axillary
Musculocutaneous
Median
Thoracic Nerves
Diaphram
Radial
Lumbar Plexus
L1 - 4
Sacral Plexus
L4 - L5 S1 - 4
Ulnar
Lateral Femoral
CutaneousLateral Femoral
Cutaneous
Femoral
Sciatic
Common
Peroneal
Common
PeronealDeep
Peroneal
Tibial
Surai
Saphenous
Superficial
Peroneal

6. Motor Points
Anterior Trunk
Sterno - Cleido
Mastoid M.
Deltoid M.(Anterior)
C5 - C6
Deltoid M.(Middle)
C5 - C6
Pectoralis Major M.
C5 - T1
Serratus Anterior M.
C5 - C7
External
Oblique M.
Rectus Abdominis M.
Pyramidalis M.

7. Motor Points
Posterior Trunk
Sterno - Cleido
Mastoid M.
Trapezius
(Upper) M.
Supraspinatus M.
C5
Deltoid M.(Posterior)
C5 - C6
Rhomboid M.
C5
Trapezius M.
Infraspinatus M.
C5 - C6Latissimus Dorsi M.
C6 - C8
Sacrospinalis M.
External Oblique M.
Gluteus Medius M.
L4 - S1
Gluteus Maximus M.
L5 - S2

8. Motor Points
Anterior Upper
Extremity
Deltoid M.(Anterior)
C5 - C6
Deltoid M.(Middle)
C5 - C6
Bicep M.
C5 - C6 Ulnar N.
Median N.Brachials M.
(also Radial N.& Median N.)
C5 - C6
Brachio-Radialis
(Supinator Longus) M.
C5 - C6
Pronator Teres M.
C6 - C7
Flexor Carpi Ulnaris M.
C8 - T1
Flexor Carpi Radialis M.
C6 - C7Palmaris Longus M.
C6 - C7 Flexor Digitorum Sublimis M.
C7 - T1
Flexor Digitorum Profundus M.
C8 - T1
Flexor Pollicis Longus M.
C8 - T1
Median N.
Unlar N.Abductor Pollicis Brevis M.
C6 - C7
Flexor Pollicis Brevis M.
C6 - C7
Opponens Pollicis M.
C6 - C7
Palmaris Brevis M.
C8
Abductor Digiti Quinti M.
C8 - T1
Flexor Digiti Quinti M.
C8 - T1
Lumbricales M.
1,2 • C6 - C7
3,4 • C8

9. Motor Points
Posterior Upper
Extremity
Deltoid M.(Middle)
C5 - C6Deltoid M.
(Posterior)
C5 - C6 Triceps M.(Long Head)
C7 - C8
Triceps M.(Lateral Head)
C7 - C8
Triceps M.(Medial Head)
C7 - C8
Ulnar N.
Radial N.
Extensor Carpi Ulnaris M.
C6 - C8
Extensor Carpi Radialis
Longus M. C6 - C7
Extensor Carpi Radialis
Brevis M. C6 - C7
Extensor Digitorum
Communis M. C6 - C8
Abductor Pollicis Longus M.
C6 - C7
(Extensor Pollicis Brevis M.C6 - C7)
Extensor Indicis Proprius M.
C6 - C8
Extensor Pollicis Longus M.
C6 - C8
Interossei
C8 - T1

10. Motor Points
Anterior Lower
Extremity
Femoral N.
Sartorius M.
L2 - L3 Pectineus M.
(also Obturator N.)
L2 - L3Adductor Logus M.
L3 - L4
Rectus Femoris M.
L2 - L4
Gracilis M.
L3 - L4
Vastus
Externus M.
L2 - L4 Vastus Internus M.
L2 - L4
Tibialis Anticus M.
L4 - S1Extensor Digitorum Longus M.
L4 - S1 Peroneus Longus M.
L4 - S1
Extensor Hallucis Longus M.
L4 - S1Peroneus Brevis M.
L4 - S1
Extensor Digitorum Brevis M.
L5 - S1
Interossei M.
S1 - S2

11. Motor Points
Posterior Lower
Extremity
Gluteus Medius M.
L4 - S1
Gluteus
Maximus M.
L5 - S2 Sciatic N.
Semimembranosus M.
L5 - S2
Semitendinosus M.
L5 - S2
Biceps
Femoris M.
Long Head
S1 - S3
Short Head
L5 - S2
Tibial N.
Gastrocnemius M.
S1 - S2
Gastrocnemius M.
S1 - S2
Soleus M.
S1 - S2
Flexor Digitorum Longus M.
L5 - S1
Tibial N.
Flexor Hallucis Longus M.
L5 - S2