Deep Back Muscles Pta

Front 1

Spinalis

Back 1

O: SP of Lumber Spine

I: SP of thoracic/cervical vertebra 6 level above

A: Bilateral extension of the spine
Ipsilateral sidebending

N: Posterior Rami

Front 2

Longissimus

Back 2

O: TP Lumbar, Posterior Sacrum, Posterior Ilium

I: TP of thoracic spine, TP of cervical(up to C2), Mastoid Process

A: Bilateral spinal extension
Ipsilateral sidebending

N: Posterior Rami

Front 3

Iliocostalis

Back 3

O: Posterior Sacrum, Posterior Ilium

I: Rib of thoracic spine, TP of cervical spine (C4-C7)

A: Bilateral extension of spine
Ipsilateral sidebending

N: Posterior Rami

Front 4

Multifidi

Back 4

O: TP of vertebra

I: SP of that vertebra and at least 2 above

A: Prime Stabilizer of lower(thoracic lumbar) spine
Contralateral rotation

N: nerve to multifidi(Dorsal Rami)

Front 5

Rectus Abdominals

Back 5

O: Pubic Ramus

I: Costal cartilage of ribs 5-7, zyphoid process

A: Primary Trunk Flexor

N: Anterior Rami, nerve roots T7-T12

Front 6

External Oblique

Back 6

O: lower 8 ribs

I: Iliac Crest, Inguinal Ligament, Linea Alba

A: Bilateral trunk flexor,
Ipsilateral sidebending,
contralateral rotation

N: Anterior Rami, nerve roots T6-T11

Front 7

Internal Oblique

Back 7

O: Iliac Crest, Inguinal ligament, Lumbro-sacral fascia

I: linea alba, lower 4-5 ribs

A: Bilateral trunk flexion
Ipsilateral sidebending
Ipsilateral rotation

N: Anterior Rami, nerve roots T6-T11

Front 8

Transverse Abdominis

Back 8

O: Thoraco-lumbar fascia, lower 6 ribs, iliac crest, inguinal ligament

I: linea alba

A: compress contents of the body, prime spine stabilizer

N: nerve T7-T12

Front 9

Quadratus Lumborum

Back 9

O: Iliac Crest

I: TP lumbar vertebra, Rib 12

A: Bilateral extension of spine
ipsilateral sidebending

N: Anterior Rami, nerve roots L1-L4

*reverse action- pull iliac crest superiorly (hip- hiking)

Front 10

Supraspinous ligament becomes what ligament in the Cervical region?

Back 10

Nuchal ligament at C7

Front 11

Subcranial triangle

Back 11

Rectus capitis posterior minor
Rectus capitis posterior major
Superior obliquus capitis
inferior obliquus capitis

Front 12

Rectus capitis posterior minor

Back 12

O: SP of C1

I: Occiput

A: Bilateral cranial extension

N: sub occipital nerve

Front 13

Rectus Capitis posterior major

Back 13

O: SP of C2

I: Occiput

A: Bilateral extension of cranium
Ipsilateral sidebending
Ipsilateral rotation

N: sub occipital nerve

Front 14

Superior obliquus capitis

Back 14

O: TP of C1

I: Occiput

A: Bilateral extension of cranium
Ipsilateral sidebending

N: sub occipital nerve

Front 15

Inferior obliuus capitis

Back 15

O: SP of C2

I: TP of C1

A: Bilateral sub cranial extension
ipsilateral cranial rotation

N: Sub occipital nerve

Front 16

Splenius Capitis

Back 16

O: SP of C7-T3, nuchal ligament

I: mastoid process, occiput

A: bilateral cranial and cervical extension
Ipsilateral sidebending
Ipsilateral rotation

N: Posterior Rami, nerve roots of C3-C4

Front 17

Splenius Cervicis

Back 17

O: SP of T3-T6

I: TP of C1-C3

A: Bilateral cervical extension
Ipsilateral sidebending
Ipsilateral rotation

N: Posterior Rami

Front 18

Semispinalis

Back 18

O: TP of upper thoracic spine

I: Occiput

A: Extension of cranial and cervical spine

N: sub occipital nerve

Front 19

Sternocleidomastoid

Back 19

O: Manubrium, medial 3rd of clavicle

I: mastoid process

A: Bilateral cervical flexion
Bilateral cranial extension
Ipsilateral sidebender
Contralateral rotation

N: Cranial nerve II

Front 20

Scalenes

Back 20

O: TP of C2-C7

I: first rib(anterior/middle)
second rib(posterior)

A: bilateral cervical flexor
ipsilateral sidebending
contralateral rotation

N: nerve root C4-C6

*reverse-accesory motion elevates ribs 1&2 to help inspiration

Front 21

Longus Colli

Back 21

O: TP and bodies of C5-T3

I: Anterior arch of atlas, bodies of C2-C4

A: bilateral cervical flexion
Primary cervical stabilizer

N: nerve root C2-C6

Front 22

BIlateral trunk flexion

Back 22

external and internal obliques

Front 23

contralateral rotation (3)

Back 23

sternocleidomastoid, multifidi, external oblique

Front 24

ipsilateral rotation (4)

Back 24

internal oblique, splenius capitis, rectus capitis posterior major, inferior obliquus capitis

Front 25

aids in inspiration

Back 25

external intercostals

Front 26

aids in experation

Back 26

internal intercostals

Front 27

Bilateral cranial extension (7)

Back 27

logissimus, sternocleidomastoid, semispinalis, splenius capitis, rectus capitis posterior major, rectus capitis posterior minor, inferior obliquus capitis

Front 28

what originates from TP of C2-C7?

Back 28

scalenes

Front 29

what originates from the manubrium?

Back 29

Sternocleidomastoid

Front 30

what originates from T3-T6 and inserts into C1-C3

Back 30

splenius Cervicis

Front 31

What inserts into linea alba? (3)

Back 31

transverse abdominis, external oblique, and internal oblique

Front 32

inserts into Occiput? (5)

Back 32

semispinalis, Rectus capitis posterior major, Rectus capitis posterior minor, superior obliquus capitis, splenius capitis

Front 33

inserts into the TP of lumbar vertebra, T12 and 12th rib

Back 33

quadratus lumborum

Front 34

inserts into the costal cartilage of ribs 5-7

Back 34

rectus abdominis

Front 35

splenius cervicis, sternocleidomastoid, and longissimus each insert into what bony landmark?

Back 35

mastoid process

Front 36

what muscle innervates with nerve roots T6-T11?

Back 36

external oblique and internal oblique

Front 37

what muscles innervates with nerve roots T7-T12?

Back 37

Rectus abdominis, and transverse abdominis

Front 38

If I originate from the TP's and bodies of C5-T3 and bilaterally flex the cervical spine, what am I?

Back 38

Longus Colli

Front 39

If I originate from SP of T3-T6 and insert into TP of C1-C3, what actions do I perform?

Back 39

Bilateral cervical extension and ipsilateral sidebending

hint*-Splenius Cervicis

Front 40

I insert into the SP of thoracic and cervical spine 6 levels above.

Back 40

Spinalis

Front 41

I innervate with the errector spinae muscles.

Back 41

Posterior Rami

Front 42

I innervate with the subcranial triangle.

Back 42

sub occipital nerve

Front 43

I prefer contralateral rotation and insert into SP of vertebra

Back 43

multifidi

Front 44

primary trunk flexor that extends from what to what?

Back 44

pubis ramus to the costal cartilage of ribs 5-7 and the zyphoid process

hint*-rectus abdominis