front 1 Epicranial Frontal belly | back 1
Action: Raises the eyebrows |
front 2 Epicranial Occipital belly | back 2
Action: Fixes aponeurosis and pulls scalp
posteriorly |
front 3 Orbicularis oculi | back 3
Action: Closes eye |
front 4 Zygomaticus | back 4
Action: Raises lateral corners of the mouth |
front 5 Risorius | back 5
Action: Draws corner of lip laterally |
front 6 Orbicularis oris | back 6
Action: Closes lips |
front 7 Mentalis | back 7
Action: Wrinkles chin |
front 8 Buccinator | back 8
Action: Compresses cheek |
front 9 Platysma | back 9
Action: Tenses skin of neck |
front 10 Masseter | back 10
Action: Closes jaw |
front 11 Temporalis | back 11
Action: Closes jaw |
front 12 Sternocleidomastoid | back 12
Action: Flexes, laterally rotates head |
front 13 Scalenes (Anterior, Middle, Posterior) | back 13
Action: Elevate ribs 1 and 2 |
front 14 Splenius capitis, cervicis | back 14
Action: Extends head |
front 15 Iliocostalis | back 15
Action: Extends and laterally flexes vertebral
column, extends head and rotates toward same side |
front 16 Longissimus | back 16
Action: Extends and laterally flexes vertebral
column, extends head and rotates toward same side |
front 17 Spinalis | back 17
Action: Extends and laterally flexes vertebral
column, extends head and rotates toward same side |
front 18 External intercostals | back 18
Action: Elevates ribs |
front 19 Internal intercostals | back 19
Action: Compresses and depresses ribcage |
front 20 Diaphragm | back 20
Action: Flattens during inspiration |
front 21 Rectus abdominis | back 21
Action: Flexes and rotates vertebral column |
front 22 External oblique | back 22
Action: Flexes vertebral column, rotates and flexes
vertebral column laterally, compresses abdomen |
front 23 Internal oblique | back 23
Action: Flexes vertebral column, rotates and flexes
vertebral column laterally, compresses abdomen |
front 24 Transversus abdominis | back 24
Action: Compresses abdomen |
front 25 Pectoralis minor | back 25
Action: Fixes ribs, protracts and depresses
scapula |
front 26 Serratus anterior | back 26
Action: Rotates scapula |
front 27 Subclavius | back 27
Action: Fixes and depresses pectoral girdle |
front 28 Trapezius | back 28
Action: Fixes, elevates, retracts, and rotates
scapula |
front 29 Levator scapulae | back 29
Action: Elevates, adducts scapula |
front 30 Rhomboids (major, minor) | back 30
Action: Fixes scapula |
front 31 Pectoralis major | back 31
Action: Flexes, adducts, medially rotates arm |
front 32 Deltoid | back 32
Action: Abducts arm |
front 33 Latissimus dorsi | back 33
Action: Extends, adducts, medially rotates arm |
front 34 Subscapularis | back 34
Action: Medially rotates arm |
front 35 Supraspinatus | back 35
Action: Abducts arm |
front 36 Infraspinatus | back 36
Action: Laterally rotates arm |
front 37 Teres minor | back 37
Action: Laterally rotates arm |
front 38 Teres major | back 38
Action: Extends, medially rotates, adducts arm |
front 39 Coracobrachialis | back 39
Action: Flexes, adducts arm |
front 40 Triceps brachii | back 40
Action: Extends forearm |
front 41 Biceps brachii | back 41
Action: Flexes and supinates forearm |
front 42 Brachialis | back 42
Action: Flexes forearm |
front 43 Brachioradialis | back 43
Action: Flexes forearm |
front 44 Pronator teres | back 44
Action: Pronates forearm |
front 45 Flexor carpi radialis | back 45
Action: Flexes wrist, abducts hand |
front 46 Palmaris longus | back 46
Action: Tenses skin and fascia of palm |
front 47 Flexor carpi ulnaris | back 47
Action: Flexes wrist, adducts hand |
front 48 Flexor digitorum superficialis | back 48
Action: Flexes wrist and middle phalanges of fingers
2–5 |
front 49 Extensor carpi radialis longus and brevis | back 49
Action: Extends and abducts wrist |
front 50 Extensor digitorum | back 50
Action: Extends fingers |
front 51 Extensor carpi ulnaris | back 51
Action: Extends and adducts wrist |
front 52 Thenar Muscles | back 52
Action: Abducts, adducts, flexes, and opposes thumb
|
front 53 Hypothenar Muscles | back 53
Action: Abducts, flexes little finger, opposes thumb
|
front 54 Iliacus | back 54
Action: Flexes thigh at trunk, flexes vertebral
column laterally |
front 55 Psoas major | back 55
Action: Flexes thigh at trunk, flexes vertebral
column laterally |
front 56 Sartorius | back 56
Action: Flexes, abducts, medially rotates thigh,
flexes knee |
front 57 Adductor magnus | back 57
Action: Adducts, flexes, extends, medially rotates
thigh |
front 58 Adductor longus | back 58
Action: Adducts, flexes, medially rotates thigh
|
front 59 Adductor brevis | back 59
Action: Adducts, flexes, medially rotates thigh
|
front 60 Gracilis | back 60
Action: Adducts, flexes, medially rotates thigh
|
front 61 Rectus femoris | back 61
Action: Extends knee, flexes thigh |
front 62 Vastus lateralis | back 62
Action: Extends knee |
front 63 Vastus medalis | back 63
Action: Extends knee |
front 64 Vastus intermedius | back 64
Action: Extends knee |
front 65 Gluteus maximus | back 65
Action: Extends thigh |
front 66 Gluteus medius | back 66
Action: Abducts, medially rotates thigh |
front 67 Gluteus minimus | back 67
Action: Abducts, medially rotates thigh |
front 68 Biceps femoris | back 68
Action: Extends thigh, flexes knee |
front 69 Semitendinosus | back 69
Action: Extends thigh, flexes knee |
front 70 Semimembranosus | back 70
Action: Extends thigh, flexes knee |
front 71 Tibialis anterior | back 71
Action: Dorsiflexes foot |
front 72 Extensor digitorum longus | back 72
Action: Extends toes |
front 73 Fibularis (peroneus) longus and brevis | back 73
Action: Plantar flexes and everts foot |
front 74 Gastrocnemius | back 74
Action: Plantar flexes foot |
front 75 Soleus | back 75
Action: Plantar flexes foot |
front 76 Flexor digitorum longus | back 76
Action: Plantar flexes and inverts foot, flexes toes
|
front 77 Tibialis posterior | back 77
Action: Inverts foot |