Practical 1 Oina

Front 1

O: Masseter

Back 1

Ingerior border and medial surface of maxi ally process of zygomatic bone and the zygomatic arch

Front 2

I: Masseter

Back 2

Angle and lateral surface of rams of mandible

Front 3

N: Masseter

Back 3

CN V3 Trigeminal-Mandibular via masseteric nerve

Front 4

A: Masseter

Back 4

Elevates mandible closing haws; protrusion of mandible

Front 5

O: Temporalis

Back 5

Temporal fossa and temporal fascia

Front 6

I: Temporalis

Back 6

Coroniod process and anterior border of rams of mandible

Front 7

N: Temporalis

Back 7

CN V3 Trigeminal-Mandibular via deep temporal branches

Front 8

A: Temporalis

Back 8

Elevates mandible, contributes to protrusion; alternate unilateral activity produces smaller grinding movements

Front 9

O: Lateral Pterygoid

Back 9

Crest of greater wing of the sphenoid and lateral surface of the lateral pterygoid plate

Front 10

A: Lateral Prerygoid

Back 10

Superior: Articular capsule and disk
Inferior: Pterygoid fovea on neck of condyloid process of mandible

Front 11

N: Lateral Pterygoid

Back 11

CN V3 Trigeminal-Mandibular via lateral pterygoid nerve

Front 12

A: Lateral Pterygoid

Back 12

Bilaterally: Protracts and depresses mandible
Unilaterally: Lateral deviation to the contralateral side
Alternate unilateral contraction produces larger lateral chewing movements

Front 13

O: Rectus Capitus Posterior Major

Back 13

SP C2

Front 14

I: Rectus Capitus Posterior Major

Back 14

Lateral aspect of the inferior nuchal line

Front 15

N: Rectus Capitus Posterior Major

Back 15

PR C1

Front 16

A: Rectus Capitus Posterior Major

Back 16

Extends head, ipsilateral rotation

Front 17

O: Rectus Capitus Posterior Minor

Back 17

Posterior tubercle of C1

Front 18

I: Rectus Capitus Posterior Minor

Back 18

Medial aspect of inferior nuchal line

Front 19

N: Rectus Capitus Posterior Minor

Back 19

PR C1

Front 20

A: Rectus Capitus Posterior Minor

Back 20

Extends head, ipsilateral rotation

Front 21

O: Obliqus Capitus Superior

Back 21

TP C1

Front 22

I: Obliqus Capitus Superior

Back 22

Between superior and inferior nuchal lines

Front 23

N: Obliqus Capitus Superior

Back 23

PR C1

Front 24

A: Obliqus Capitus Superior

Back 24

Extension and lateral flexion of head

Front 25

O: Obliqus Capitus Inferior

Back 25

SP C2

Front 26

I: Obliqus Capitus Inferior

Back 26

TP C1

Front 27

N: Obliqus Capitus Inferior

Back 27

PR C1

Front 28

A: Obliqus Capitus Inferior

Back 28

Prates atlas, turning head ipsilaterally

Front 29

O: Sternocleidomastoid

Back 29

Mastoid process and lateral half of superior nuchal line

Front 30

I: Sternocleidomastoid

Back 30

Sternal head: Anterior surface of manubrium of sternum
Clavicular head: Superior surface of media third of clavicle

Front 31

N: Sternocleidomastoid

Back 31

CN XI: Spinal accessory (motor) and AR C2, C3 (pain and proprioception)

Front 32

A: Sternocleidomastoid

Back 32

Bilaterally: Flexes the neck
Unilaterally: Ipsilateral lateral neck flexion and contralateral rotation

Front 33

O: Upper Trapezius

Back 33

Medial third of superior nuchal line, external occipital protuberance, nuchal ligament, SP C7

Front 34

I: Upper Trapezius

Back 34

Lateral third of clavicle and acromion

Front 35

N: Upper Trapezius

Back 35

CN XI: Spinal accessory nerve and VR C3, C4

Front 36

A: Upper Trapezius

Back 36

Elevates, adducts, and upwardly rotates scapula

Front 37

O: Middle Trapezius

Back 37

SP T1-5

Front 38

I: Middle Trapezius

Back 38

Medial margin of acromion and superior lip of spine of scapula

Front 39

N: Middle Trapezius

Back 39

CN XI: Spinal accessory nerve and VR C3, C4

Front 40

A: Middle Trapezius

Back 40

Adducts the scapula

Front 41

O: Lower Trapezius

Back 41

SP T6-T12

Front 42

I: Lower Trapezius

Back 42

Tubercle at apex of spine of scapula

Front 43

N: Lower Trapezius

Back 43

CN XI: Spinal accessory nerve and VR C3, C4

Front 44

A: Lower Trapezius

Back 44

Depresses, adducts, and upwardly rotates scapula

Front 45

O: Latissimus Dorsi

Back 45

SP T7-T12, thoracolumbar fascia, iliac crest, and inferior 4 ribs

Front 46

I: Latissimus Dorsi

Back 46

Floor of inter tubercular groove of humerus

Front 47

N: Latissimus Dorsi

Back 47

Thoracodorsal (C6, C7, C8)

Front 48

A: Latissimus Dorsi

Back 48

Extends, adducts, and internally rotates humerus

Front 49

O: Multifidus

Back 49

Sacrum and TP C4-L5

Front 50

I: Multifidus

Back 50

Sp C, T, L vertberae (spanning 2-4 segments)

Front 51

N: Multifidus

Back 51

DR

Front 52

A: Multifidus

Back 52

Bilaterally: Extension of vertebrae
Unilaterally: Contralateral rotation

Front 53

A: Rotatores

Back 53

Bilaterally: Extension of vertebrae
Unilaterally: Contralateral rotation

Front 54

O: Quadratus Lumborum

Back 54

Medial half of inferior border of 12th ribs and lumbar TP

Front 55

I: Quadratus Lumborum

Back 55

Iliolumbar ligament and internal lip of iliac crest

Front 56

N: Quadratus Lumborum

Back 56

AR T12-L4

Front 57

A: Quadratus Lumborum

Back 57

Extends and laterally flexes vertebral colum. Flexes 12th rib during inspiration

Front 58

O: Psoas Major

Back 58

Sides of T12-L5 and IV discs, TP of all lunar vertebrae

Front 59

I: Psoas Major

Back 59

Lesser trochanter of femur

Front 60

N: Psoas Major

Back 60

VR L1, L2, L3

Front 61

A: Psoas Major

Back 61

Flexes hip

Front 62

O: Semispinalis Thoracis

Back 62

TP T1-T12

Front 63

I: Semispinalis Thoracis

Back 63

SP C2-T4

Front 64

N: Semispinalis Thoracis

Back 64

DR

Front 65

A: Semispinalis Thoracis

Back 65

Extends cervical spine

Front 66

O: Semispinalis Cervicis

Back 66

TP T1-T12

Front 67

I: Semispinalis Cervicis

Back 67

SP C2-T4

Front 68

N: Semispinalis Cervicis

Back 68

DR

Front 69

A: Semispinalis Cervicis

Back 69

Extends cervical spine

Front 70

O: Semispinalis Capitus

Back 70

TP C7-T7

Front 71

I: Semispinalis Capitus

Back 71

Occipital bone

Front 72

N: Semispinalis Capitus

Back 72

DR

Front 73

A: Semispinalis Capitus

Back 73

Extend head

Front 74

A: Splenius Cervicus

Back 74

Bilaterally: Extend cervical spine
Unilaterally: Ipsilateral lateral flexion and ipsilateral rotation

Front 75

A: Splenius Capitus

Back 75

Bilaterally: Extend head

Front 76

A: Logissumus Thoracis

Back 76

Extends thoracic and cervical spine, extends ehad

Front 77

A: Logissumus Cervicis

Back 77

Extends thoracic and cervical spine, extends ehad

Front 78

A: Logissumus Capitus

Back 78

Extend head

Front 79

A: Iliocostalis Lumborum

Back 79

Extends lumbar, thoracic, and cervical spine

Front 80

A: Iliocostalis Thoracis

Back 80

Extends lumbar, thoracic, and cervical spine

Front 81

A: Iliocostalis Cervicis

Back 81

Extends lumbar, thoracic, and cervical spine

Front 82

A: Spinalis Thoracis

Back 82

Extends thoracic and cervical spine, extends head

Front 83

A: Spinalis Cervicis

Back 83

Extends thoracic and cervical spine, extends head

Front 84

A: Spinalis Capitus

Back 84

Extends thoracic and cervical spine, extends head

Front 85

A: Iliocostalis Cervicis

Back 85

Extends lumbar, thoracic, and cervical spine

Front 86

A: Spinalis Thoracis

Back 86

Extends thoracic and cervical spine, extends head

Front 87

A: Spinalis Cervicis

Back 87

Extends thoracic and cervical spine, extends head

Front 88

A: Spinalis Capitus

Back 88

Extends thoracic and cervical spine, extends head

Front 89

A: Iliocostalis Cervicis

Back 89

Extends lumbar, thoracic, and cervical spine

Front 90

A: Spinalis Thoracis

Back 90

Extends thoracic and cervical spine, extends head

Front 91

A: Spinalis Cervicis

Back 91

Extends thoracic and cervical spine, extends head

Front 92

A: Spinalis Capitus

Back 92

Extends thoracic and cervical spine, extends head