Anatomy- Upper Back Muscles

Front 1

Serratus Posterior Superior
Origin

Back 1

1) Ligamentum nuchae
2) C7-T3 spinous processes

Front 2

Serratus Posterior Superior
Insertion

Back 2

Ribs 2-5

Front 3

Serratus Posterior Superior
Innervation

Back 3

Anterior Rami

Front 4

Serratus Posterior Superior
Action

Back 4

Elevate ribs 2-5

Front 5

Rhomboid major
Origin

Back 5

Upper thoracic spinous processes

Front 6

Rhomboid major
Insertion

Back 6

Medial scapula inferior to spine

Front 7

Rhomboid major
Innervation

Back 7

Dorsal scapular nerve

Front 8

Rhomboid major
Action

Back 8

Retract & downward rotate scapula

Front 9

Latissimus dorsi
Origin

Back 9

1) Lower thoracic spinous processes
2) Iliac crest
3) Thoracolumbar fascia

Front 10

Latissimus dorsi
Insertion

Back 10

Intertubercular groove of humerous

Front 11

Latissimus dorsi
Innervation

Back 11

Thoracodorsal nerve

Front 12

Latissimus dorsi
Action

Back 12

Adduct, medially rotate & extend arm

Front 13

Spinalis
Origin

Back 13

1) Common tendon
2) T10-C7 spinous processes
3) Blends w/ semispinalis capitis

Front 14

Spinalis
Insertion

Back 14

1) Spinous processes
2) Semispinalis capitis

Front 15

Spinalis
Innervation

Back 15

Posterior rami

Front 16

Spinalis
Action

Back 16

B/L: Extend back
U/L: I/L head rotation, lateral bending

Front 17

Longissimus
Origin

Back 17

1) Common tendon
2) Lumbar/thoracic transverse processes

Front 18

Longissimus
Insertion

Back 18

1) Mastoid process
2) Medial ribs
3) Cervical/thoracic transverse processes

Front 19

Longissimus
Innervation

Back 19

Posterior rami

Front 20

Longissimus
Action

Back 20

B/L: Extend back
U/L: I/L head rotation, lateral bending

Front 21

Splenius Cervicis
Origin

Back 21

T3-T6 Spinous process

Front 22

Splenius Cervicis
Insertion

Back 22

C1-C3 Transverse processes

Front 23

Splenius Cervicis
Innervation

Back 23

Posterior rami

Front 24

Splenius Cervicis
Action

Back 24

B/L: Extend head/neck
U/L: I/L head rotation

Front 25

Semispinalis
Origin

Back 25

Lower thoracic & lower cervical transverse processes

Front 26

Semispinalis
Insertion

Back 26

1) Skull between nuchal lines
2) Spinous processes 4-6 levels superior

Front 27

Semispinalis
Innervation

Back 27

Posterior rami

Front 28

Semispinalis
Action

Back 28

B/L: Extend back/head
U/L: I/L rotation of head, C/L rotation of vertebral column

Front 29

Multifidus
Origin

Back 29

1) Common tendon of erector spinae
2) Vertebral arches

Front 30

Multifidus
Insertion

Back 30

Spinous processes 2-4 levels superior

Front 31

Multifidus
Innervation

Back 31

Posterior rami

Front 32

Multifidus
Action

Back 32

B/L: Extend back
U/L: C/L rotation of vertebral column

Front 33

Rotatores
Origin

Back 33

Transverse processes

Front 34

Rotatores
Insertion

Back 34

Spinous processes 1-2 levels superior

Front 35

Rotatores
Innervation

Back 35

Posterior rami

Front 36

Rotatores
Action

Back 36

B/L: Extend back
U/L: C/L rotation of vertebral column

Front 37

Levatores costarum
Origin

Back 37

Transverse processes 1 level superior to insertion

Front 38

Levatores costarum
Insertion

Back 38

Rib inferior to origin

Front 39

Levatores costarum
Innervation

Back 39

Posterior rami

Front 40

Levatores costarum
Action

Back 40

Elevate ribs

Front 41

Rectus capitis posterior major
Origin

Back 41

C2 spinous process

Front 42

Rectus capitis posterior major
Insertion

Back 42

Lateral inferior nuchal line

Front 43

Rectus capitis posterior major
Innervation

Back 43

C1 posterior ramus

Front 44

Rectus capitis posterior major
Action

Back 44

B/L: Extend head
U/L: I/L rotation of head

Front 45

Rectus capitis posterior minor
Origin

Back 45

C1 posterior tubercle

Front 46

Rectus capitis posterior minor
Insertion

Back 46

Medial inferior nuchal line

Front 47

Rectus capitis posterior minor
Innervation

Back 47

C1 posterior ramus

Front 48

Rectus capitis posterior minor
Action

Back 48

Extend head

Front 49

Obliquus capitis superior
Origin

Back 49

C1 transverse process

Front 50

Obliquus capitis superior
Insertion

Back 50

Lateral skull between nuchal lines

Front 51

Obliquus capitis superior
Innervation

Back 51

C1 posterior ramus

Front 52

Obliquus capitis superior
Action

Back 52

B/L: Extend head
U/L: I/L bending of head

Front 53

Obliquus capitis inferior
Origin

Back 53

C2 spinous process

Front 54

Obliquus capitis inferior
Insertion

Back 54

C1 Transverse process

Front 55

Obliquus capitis inferior
Innervation

Back 55

C1 posterior ramus

Front 56

Obliquus capitis inferior
Action

Back 56

I/L rotation of head

Front 57

Rhomboid minor
Origin

Back 57

Lower cervical/T1 spinous processes

Front 58

Rhomboid minor
Insertion

Back 58

Medial scapula superior to scapular spine

Front 59

Rhomboid minor
Innervation

Back 59

Dorsal scapular nerve

Front 60

Rhomboid minor
Action

Back 60

Retract & downward rotate scapula

Front 61

Serratus posterior inferior
Origin

Back 61

T11-L3 spinous processes

Front 62

Serratus posterior inferior
Insertion

Back 62

Ribs 9-12

Front 63

Serratus posterior inferior
Innervation

Back 63

Anterior rami

Front 64

Serratus posterior inferior
Action

Back 64

Depress ribs 9-12

Front 65

Levator scapulae
Origin

Back 65

C1-C4 transverse processes

Front 66

Levator scapulae
Insertion

Back 66

Superior angle of scapula

Front 67

Levator scapulae
Innervation

Back 67

Upper cevical anterior rami

Front 68

Levator scapulae
Action

Back 68

Elevate scapula

Front 69

Splenius Capitis
Origin

Back 69

1) Ligamentum nuchae
2) C7-T4 spinous processes

Front 70

Splenius Capitis
Insertion

Back 70

1) Mastoid process
2) Lateral superior nuchal line

Front 71

Splenius Capitis
Innervation

Back 71

Posterior rami

Front 72

Splenius Capitis
Action

Back 72

B/L: Extend head/neck
U/L: I/L head rotation

Front 73

Iliocostalis
Origin

Back 73

1) Common tendon
2) Ribs

Front 74

Iliocostalis
Insertion

Back 74

Ribs

Front 75

Iliocostalis
Innervation

Back 75

Posterior rami

Front 76

Iliocostalis
Action

Back 76

B/L: Extend back
U/L: I/L head rotation, lateral bending

Front 77

Trapezius
Origin

Back 77

1) Mastoid process
2) Superior nuchal line
3) Nuchal ligament
4) Thoracic spinous processes

Front 78

Trapezius
Insertion

Back 78

1) Lateral clavicle
2) Acromium
3) Spine of scapula

Front 79

Trapezius
Innervation

Back 79

CN XI

Front 80

Trapezius
Action

Back 80

Elevate, retract and depress scapula

Front 81

Serratus
Group

Back 81

Intermediate
Know #'s

Front 82

Splenius
Group

Back 82

Intermediate
Know #s

Front 83

Iliocostalis
Group

Back 83

Erector Spinae

Front 84

Longissimus
Group

Back 84

Erector Spinae

Front 85

Spinalis
Group

Back 85

Erector Spinae
Know origin #'s C7-T10

Front 86

Semispinalis
Group

Back 86

Transversospinalis

Front 87

Levator costrum
Group

Back 87

Transversospinalis

Front 88

Rotatores
Group

Back 88

Transversospinalis

Front 89

Multifidus
Group

Back 89

Transversospinalis

Front 90

Rectus capitis posterior
Group

Back 90

Sub-occiptal

Front 91

Obliquus capitis
Group

Back 91

Sub-occiptal

Front 92

Trapezius
Group

Back 92

Superficial

Front 93

Latissimus dorsi
Group

Back 93

Superficial

Front 94

Rhomboid
Group

Back 94

Superficial

Front 95

Levator scapulae
Group

Back 95

Superficial
Know origin #'s C1-C4