Muscles Of Vertebral Column O/i/a

Front 1

splenius origin

Back 1

spinous processes and ligaments connectinge inferior cervial and superior thoracic vetebrae

Front 2

splenius insertion

Back 2

mastoid process, occipital bone of skull and superior cervical vetebrae

Front 3

splenius action

Back 3

(together) the two sides extend neck
(alone) each rotates and laterally flexes neck to that side

Front 4

spinalis cervicis origin

Back 4

inferior protion of lagamentum nuchaie and spinosus process of C7

Front 5

spinalis cervicis insertion

Back 5

spinous process of axis

Front 6

spinalis cervicis action

Back 6

extends neck

Front 7

spinalis thoracis origin

Back 7

spinous process of inferior thoracic and superior lumbar verebrae

Front 8

spinalis thoracis insertion

Back 8

spinour processes of superior thoracis vertebrae

Front 9

spinalis thoracis action

Back 9

extends vertebral column

Front 10

longissimus capitis origin

Back 10

transverse processes of inferior cervical and superior thoracic vertebrae

Front 11

longissimus capitis insertion

Back 11

mastoid process of temporal bone

Front 12

longissimus capitis action

Back 12

(together) the two sides extend head
(alone) each rotates and laterally flexes neck to that side

Front 13

longissimus cervicis origin

Back 13

transverse process of superior thoracic veterbrae

Front 14

longissimus cervicis insertion

Back 14

transverse process of middle and superior cervical vetebrae

Front 15

longissimus cervicis action

Back 15

(together) two sides extend head
(alone) each rotates and laterally flexes neck to that side

Front 16

longissimus thoracis origin

Back 16

broad aponeurosis and transverse processes of inferior thoracic and superior lumbar vetrebrae, joins iliocostalis

Front 17

longissimus thoracis insertion

Back 17

transverse process of superior vertebrae and inferior surface of ribs

Front 18

longissimus thoracis action

Back 18

extends vertebral column
(alone) each produces lateral flexion to that side

Front 19

iliocostalis cervicis origin

Back 19

superior borders of vertebrosternal ribs near the angles

Front 20

iliocostalis cervicis insertion

Back 20

transverse processes of middle and inferior cervial vertebrae

Front 21

iliocostalis cervicis action

Back 21

extends or laterally flexes neck, elevates rib

Front 22

iliocostalis thoracis origin

Back 22

superior borders of vertebrosternal ribs near the angles

Front 23

iliocostalis thoracis insertion

Back 23

upper ribs and transverse process of last cervical vertebra

Front 24

iliocostalis thoracis action

Back 24

stabilizes thoracic vertebrae in extension

Front 25

iliocostalis lumborum origin

Back 25

iliac crest, sacral crests, and spinous processes

Front 26

iliocostalis lumborum insertion

Back 26

inferior surfaces of inferior seven ribs near their angles

Front 27

iliocostalis lumborum action

Back 27

extends vertebral column, depresses ribs

Front 28

semispinalis capitis origin

Back 28

aticular process of inferior cervial and transverse processes of superior thoracis verebrae

Front 29

semispinalis capitis insertion

Back 29

occipital bone btw nuchal lines

Front 30

semispinalis capitis action

Back 30

(together) two sides extend head
(alone) each extends and laterally flexes neck

Front 31

semispinalis cervicis origin

Back 31

transverse processs of T1-T3 or T6

Front 32

semispinalis cervicis insertion

Back 32

spinous process of C2 -C5

Front 33

semispinalis cervicis action

Back 33

extends vertebral column and rotaes toward the opposite side

Front 34

semispinalis thoracis origin

Back 34

transverse processes of T6-T10

Front 35

semispinalis thoracis insertion

Back 35

spinous processes of C5-T4

Front 36

semispinalis thoracis action

Back 36

extends verebral column and rotates toward opposite side

Front 37

multifidus origin

Back 37

sacrum and transverse processes of each vertebra

Front 38

multifidus insertion

Back 38

spinous processes of the thrid or fourth more superior vertebrae

Front 39

multifidus action

Back 39

extend vertebral column and rotates toward opposite side

Front 40

rotatores origin

Back 40

transverse processes of each vertebrae

Front 41

rotatores insertion

Back 41

spinous process of adjacent, more superior vertebra

Front 42

rotatores action

Back 42

extends verebral column and rotates toward opposite side

Front 43

interspinales origin

Back 43

spinous process of each vertebrae

Front 44

interspinales insertion

Back 44

spinnous processes of more superior vertebrae

Front 45

interspinales action

Back 45

extends vertebrae column

Front 46

intertransversarii origin

Back 46

transverse processes of each vertebrae

Front 47

intertranversarii insertion

Back 47

transverse process of more superior vertebra

Front 48

intertranversarii action

Back 48

laterally flexes the vertebral column

Front 49

longus capitis origin

Back 49

transcerse processes of cervical vertebrae

Front 50

longus capitis insertion

Back 50

base of occipital bone

Front 51

longus capitis action

Back 51

(together) the two sides flex the neck
(alone) each rotates head to that side

Front 52

longus colli origin

Back 52

anterior surfaces of cervical and superior thoracic vertebrae

Front 53

longus colli insertion

Back 53

transverse processes of superior cervical vertebrae

Front 54

longus colli action

Back 54

flexes or rotates neck, limits hyperextension

Front 55

quadratus lumborum origin

Back 55

iliac crest and iliolumbar ligament

Front 56

quadratus lumborum insertion

Back 56

last rib and transverse processes of lumbar veterbrae

Front 57

quadratus lumborum action

Back 57

(together) depress ribs
(alone) each side laterally flexes vertebral column