Muscular System

Front 1

Frontalis

Back 1

Elevate the eyebrows

Front 2

Temporalis

Back 2

Elevate mandible

Front 3

Zygomaticus

Back 3

Elevate the corners of the mouth

Front 4

Orbicularis oculi

Back 4

Close the eyes

Front 5

Masseter

Back 5

Elevate the mandible

Front 6

Sternocleidomastoid

Back 6

Used in active breathing, rotate the head, flex the head

Front 7

Orbicularis oris

Back 7

Close the mouth

Front 8

Scalenes

Back 8

Used in active breathing, rotate the head, flex the neck

Front 9

Rectus abdominis

Back 9

Flex the vertebral column, compress the abdomen

Front 10

External abdominal oblique

Back 10

Flex the vertebral column, rotate the vertebral column, laterally flex the vertebral column, compress the abdomen

Front 11

Internal abdominal oblique

Back 11

Flex the vertebral column, rotate the vertebral column, laterally flex the vertebral column, compress the abdomen

Front 12

Transversus abdominis

Back 12

Compress the abdomen

Front 13

Serratus anterior

Back 13

Protract the scapula

Front 14

Pectoralis major

Back 14

Flex and extend the arm, adduct the arm

Front 15

Pectoralis minor

Back 15

Depress the scapula, protract the scapula

Front 16

External intercostal

Back 16

Elevate the ribs, increase thoracic volume

Front 17

Internal intercostal

Back 17

Depress the ribs

Front 18

Diaphragm

Back 18

Elevate the ribs, increase thoracic volume

Front 19

Trapezius

Back 19

Elevate and depress the scapula, retract the scapula

Front 20

Rhomboideus major

Back 20

Retract the scapula

Front 21

Rhomboideus minor

Back 21

Retract the scapula

Front 22

Levator scapulae

Back 22

Elevate the scapula

Front 23

Teres minor

Back 23

Laterally rotate the arm

Front 24

Teres major

Back 24

Extend the arm, adduct the arm

Front 25

Latissimus dorsi

Back 25

Extend the arm, adduct the arm

Front 26

Erector spinae

Back 26

Extend the vertebral column, rotate the vertebral column, laterally flex the vertebral column

Front 27

Deltoid

Back 27

Flex and extend the arm, abduct the arm

Front 28

Supraspinatus

Back 28

Abduct the arm

Front 29

Infraspinatus

Back 29

Laterally rotate the arm

Front 30

Subscapularis

Back 30

Medially rotate the arm

Front 31

Biceps brachii

Back 31

Flex the arm, flex the forearm, supinate the forearm

Front 32

Brachialis

Back 32

Flex the forearm

Front 33

Coracobrachialis

Back 33

Flex the arm, adduct the arm

Front 34

Triceps brachii

Back 34

Extend the arm, extend the forearm

Front 35

Pronator teres

Back 35

Pronate the forearm

Front 36

Flexor carpi radialis

Back 36

Flex the hand (wrist), abduct the hand

Front 37

Palmaris longus

Back 37

Flex the hand

Front 38

Flexor digitorum superficialis

Back 38

Flex hand, flex digits

Front 39

Flexor carpi ulnaris

Back 39

Flex the hand, adduct the hand

Front 40

Extensor carpi radialis longus

Back 40

Extend the hand, abduct the hand

Front 41

Extensor carpi radialis brevis

Back 41

Extend the hand, abduct the hand

Front 42

Extensor digitorum

Back 42

Extend digits

Front 43

Extensor digiti minimi

Back 43

Extend the 5th digit

Front 44

Extensor carpi ulnaris

Back 44

Extend the hand, adduct the hand

Front 45

Abductor pollicis longus

Back 45

Extend the thumb (1st digit), abduct the thumb

Front 46

Extensor pollicis brevis

Back 46

Extend thumb

Front 47

Tensor fasciae latae

Back 47

Flex the thigh, abduct the thigh

Front 48

Sartorius

Back 48

Flex the thigh, flex the lower leg

Front 49

Rectus femoris

Back 49

Flex the thigh, extend the lower leg

Front 50

Vastus lateralis

Back 50

Extend the lower leg

Front 51

Vastus medialis

Back 51

Extend the lower leg

Front 52

Vastus intermedius

Back 52

Extend the lower leg

Front 53

Iliopsoas

Back 53

Flex the thigh

Front 54

Pectineus

Back 54

Adduct the thigh

Front 55

Adductor longus

Back 55

Adduct the thigh

Front 56

Adductor brevis

Back 56

Adduct the thigh

Front 57

Gracilis

Back 57

Adduct the thigh, flex the lower leg

Front 58

Gluteus maximus

Back 58

Extend the thigh, abduct the thigh, laterally rotate the thigh

Front 59

Gluteus medius

Back 59

Abduct the thigh, medially rotate the thigh

Front 60

Gluteus minimus

Back 60

Abduct the thigh, medially rotate the thigh

Front 61

Adductor magnus

Back 61

Extend the thigh, adduct the thigh

Front 62

Hamstring group

Back 62

Extend the thigh, flex the lower leg

Front 63

Gastrocnemius

Back 63

Plantar flex the foot

Front 64

Soleus

Back 64

Plantar flex the foot

Front 65

Peroneus

Back 65

Plantar flex the foot, evert the foot

Front 66

Extensor digitorum longus

Back 66

Dorsiflex the foot

Front 67

Tibialis anterior

Back 67

Dorsiflex the foot, invert the foot

Front 68

Flexor digitorum longus

Back 68

Plantar flexes the foot, flexes the phalanges