Muscle Innervation

Front 1

Pectoralis Major

Back 1

Medial and lateral pectoral

Front 2

Pectoralis Minor

Back 2

Medial pectoral

Front 3

Subclavius

Back 3

Nerve to subclavius (5th and 6th cervical nerves)

Front 4

Serratus Anterior

Back 4

Long thoracic

Front 5

Trapezius

Back 5

Cranial nerve XI (spinal accessory nerve)

Front 6

Rhomboid Major

Back 6

Dorsal scapular

Front 7

Rhomboid Minor

Back 7

Dorsal scapular

Front 8

Levator Scapulae

Back 8

3rd and 4th cervical spinal nerves and dorsal scapular

Front 9

Latissimus Dorsi

Back 9

Thoracodorsal

Front 10

Deltoid

Back 10

Axillary

Front 11

Teres Major

Back 11

Lower subscapular

Front 12

Teres Minor

Back 12

Axillary

Front 13

Subscapularis

Back 13

Upper subscapular

Front 14

Supraspinatus

Back 14

Suprascapular

Front 15

Infraspinatus

Back 15

Suprascapular

Front 16

Long Head of Biceps

Back 16

Musculocutaneous

Front 17

Short head of biceps

Back 17

Musculocutaneous

Front 18

Coracobrachialis

Back 18

Musculocutaneous

Front 19

Brachialis

Back 19

Musculocutaneous

Front 20

Lateral Head of Triceps

Back 20

Radial

Front 21

Long Head of Triceps

Back 21

Radial

Front 22

Medial Head of Triceps

Back 22

Radial

Front 23

Brachioradialis

Back 23

Radial

Front 24

Anconeus

Back 24

Radial

Front 25

Extensor Carpi Radialis Longus and Brevis

Back 25

Radial

Front 26

Extensor Digitorum

Back 26

Radial

Front 27

Extensor Digiti Minimi

Back 27

Radial

Front 28

Extensor Carpi Ulnaris

Back 28

Radial

Front 29

Abductor Pollicis Longus

Back 29

Posterior interosseous

Front 30

Extensor Pollicis Brevis

Back 30

Posterior interosseous

Front 31

Extensor Pollicis Longus

Back 31

Posterior interosseous

Front 32

Extensor Indicis

Back 32

Radial

Front 33

Supinator

Back 33

Radial

Front 34

Pronator Teres

Back 34

Median

Front 35

Flexor Carpi Radialis

Back 35

Median

Front 36

Palmaris Longus

Back 36

Median

Front 37

Flexor Carpi Ulnaris

Back 37

Ulnar

Front 38

Flexor Digitorum Superficialis

Back 38

Median

Front 39

Flexor Pollicis Longus

Back 39

Median

Front 40

Flexor Digitorum Profundus

Back 40

Median to radial side of muscle; ulnar to ulnar side of muscle

Front 41

Pronator Quadratus

Back 41

Median

Front 42

Abductor Pollicis Brevis

Back 42

Median

Front 43

Flexor Pollicis Brevis

Back 43

Median; deep head by ulnar nerve

Front 44

Opponens Pollicis

Back 44

Median

Front 45

Adductor Pollicis

Back 45

Ulnar

Front 46

Abductor Digiti Minimi

Back 46

Ulnar

Front 47

Flexor Digiti Minimi Brevis

Back 47

Ulnar

Front 48

Opponens Digiti Minimi

Back 48

Ulnar

Front 49

Lumbricals of the hand

Back 49

Lateral two, median; medial two, ulnar

Front 50

Dorsal interossei of hand (4)

Back 50

Ulnar

Front 51

Palmar interossei (3)

Back 51

Ulnar

Front 52

External Intercostals

Back 52

Intercostal nerves

Front 53

Internal Intercostals

Back 53

Intercostal nerves

Front 54

Transversus Thoracis

Back 54

Intercostal nerves

Front 55

Quadratus Lumborum

Back 55

Branches of ventral rami of L1-4

Front 56

Psoas Major

Back 56

Branches of ventral rami of lumbar nerves L1-L3

Front 57

Psoas Minor

Back 57

Ventral ramus of L1, L2

Front 58

Iliacus

Back 58

Femoral nerve

Front 59

Rectus Abdominis

Back 59

T7-T11 intercostal and subcostal (12th thoracic)

Front 60

External Oblique

Back 60

T7-T11 intercostal and subcostal

Front 61

Internal Oblique

Back 61

T7-T11 intercostal, subcostal iliohypogastic and ilioinguinal

Front 62

Transverse Abdominus

Back 62

T7-T11 intercostal, subcostal iliohypogastic and ilioinguinal

Front 63

Rectus Femoris (Part of Quadriceps Femoris)

Back 63

Femoral

Front 64

Vastus Lateralis (Part of Quadriceps Femoris)

Back 64

Femoral

Front 65

Vastus Medialis (Part of Quadriceps Femoris)

Back 65

Femoral

Front 66

Vastus Intermedius (Part of Quadriceps Femoris)

Back 66

Femoral

Front 67

Sartorius

Back 67

Femoral

Front 68

Pectineus

Back 68

Femoral

Front 69

Adductor Longus

Back 69

Obturator

Front 70

Adductor Brevis

Back 70

Obturator

Front 71

Adductor Magnus

Back 71

Upper: Obturator Lower: Tibial sciatic

Front 72

Gracilis

Back 72

Obturator

Front 73

Gluteus Maximus

Back 73

Inferior gluteal

Front 74

Gluteus Medius and Gluteus Minimus

Back 74

Superior gluteal

Front 75

Tensor Fasciae Latae

Back 75

Superior gluteal

Front 76

Piriformis

Back 76

Nerve to “muscle name"

Front 77

Superior Gemellus

Back 77

Nerve to “muscle name"

Front 78

Inferior Gemellus

Back 78

Nerve to “muscle name"

Front 79

Obturator Internus

Back 79

Nerve to “muscle name"

Front 80

Quadratus Femoris

Back 80

Nerve to “muscle name"

Front 81

Obturator Externus

Back 81

Nerve to “muscle name"

Front 82

Biceps Femoris

Back 82

Long head: Tibial sciatic Short head: Common peroneal sciatic

Front 83

Semimembranosus

Back 83

Tibial sciatic

Front 84

Semitendinosus

Back 84

Tibial sciatic

Front 85

Tibialis Anterior

Back 85

Deep peroneal

Front 86

Extensor Digitorum Longus

Back 86

Deep peroneal

Front 87

Extensor Hallucis Longus

Back 87

Deep peroneal

Front 88

Peroneus Tertius (Lower fibers of ext. dig. longus)

Back 88

Deep peroneal

Front 89

Peroneus Longus

Back 89

Superficial peroneal

Front 90

Peroneus Brevis

Back 90

Superficial peroneal

Front 91

Gastrocnemius

Back 91

Tibial

Front 92

Soleus

Back 92

Tibial

Front 93

Plantaris

Back 93

Tibial

Front 94

Popliteus

Back 94

Tibial

Front 95

Flexor Digitorum Longus

Back 95

Tibial

Front 96

Flexor Hallucis Longus

Back 96

Tibial

Front 97

Tibialis Posterior

Back 97

Tibial

Front 98

Platysma

Back 98

Facial (CN VII - cervical branch)

Front 99

Sternocleidomastoid

Back 99

Spinal accessory (CN XI) and C2, C3

Front 100

Sternohyoid

Back 100

C1-C3

Front 101

Thyrohyoid

Back 101

C1

Front 102

Sternothyroid

Back 102

C1-C3

Front 103

Digastric

Back 103

Posterior belly: Facial (CN VII) Anterior belly: Trigeminal (CN V – mandibular division)

Front 104

Mylohyoid

Back 104

Trigeminal (CNV – mandibular division)

Front 105

Geniohyoid

Back 105

C1, C2

Front 106

Omohyoid

Back 106

C1-C3

Front 107

Stylohyoid

Back 107

Facial (CN VII )

Front 108

Masseter

Back 108

Trigeminal (CNV – mandibular division)

Front 109

Buccinator

Back 109

Facial (CN VII)