torso muscles section 2 OIA &nerve Flashcards
1
Q
serratus posterior inferior origin
A
spinous
processes of T11-
L2
2
Q
serratus
posterior inferior insertion
A
inferior
aspect of
ribs 9-12
3
Q
serratus
posterior inferior action
A
depresses ribs
4
Q
serratus
posterior inferior nerve innervation
A
Ventral Rami
5
Q
serratus
posterior
superior origin
A
ligamentum
nuchae, spinous
processes of C7-
T3
6
Q
serratus
posterior
superior insertion
A
superior
aspects of
ribs 2-4
7
Q
serratus
posterior
superior action
A
elevates ribs
8
Q
serratus
posterior
superior nerve innervation
A
Ventral Rami
9
Q
Erector Spinae
(ilicostalis) origin
A
Posterior Sacrum, iliac crest, sacrospinous ligament, spinous processes of C7-L2 and sacral vertebrae
10
Q
Erector Spinae
(ilicostalis) insertion
A
iliocostalis; angles of lower ribs, cervical transverse processes
11
Q
Erector Spinae
(ilicostalis) action
A
extends and laterally
bends vertebral
column and head
12
Q
Erector Spinae
(ilicostalis) nerve innervation
A
Dorsal Rami
13
Q
Erector Spinae (longissimus) origin
A
Posterior Sacrum, iliac crest, sacrospinous ligament, spinous processes of C7-L2 and sacral vertebrae
14
Q
Erector Spinae (longissimus) insertion
A
longissimus: between tubercles and angles of ribs, transverse processes of thoracic and cervical vertebrae, mastoid process
15
Q
Erector Spinae (longissimus) action
A
estends and laterally
bends vertebral
column and head
16
Q
Erector Spinae (longissimus) nerve innervation
A
Dorsal Rami
17
Q
Erector Spinae
(spinalis) origin
A
Posterior Sacrum, iliac crest, sacrospinous ligament, spinous processes of C7-L2 and sacral vertebrae
18
Q
Erector Spinae
(spinalis) insertion
A
spinalis: spinous processes of upper thoracic and midcervical vertebrae
19
Q
Erector Spinae
(spinalis) action
A
extends and laterally
bends vertebral
column and head
20
Q
Erector Spinae
(spinalis) nerve innervation
A
Dorsal Rami
21
Q
semispinalis origin
A
transverse
processes of C4-
T12
22
Q
semispinalis insertion
A
spinous processes of cervical and thoracic regions, between superior and inferior nuchal lines of occipital bone
23
Q
semispinalis action
A
extends head, neck,
and thorax and
rotates them in
opposite side
24
Q
semispinalis nerve innervation
A
Dorsal Rami
25
multifidus origin
```
sacrum, ilium,
transverse
processes of T1-12,
articular
processes of C4-
C7
```
26
multifidus insertion
```
spinous
processes of
vertebrae
above
spanning
two to four
segments
```
27
multifidus action
stabilizes spine
28
multifidus nerve innervation
Dorsal Rami
29
rotatores origin
```
transverse
processes of
cervical thoracic
and lumbar
regions
```
30
rotatores insertion
lamina and
transverse
process of
spine above
31
rotatores action
stabilizes, extends
| and rotates spine
32
rotatores nerve innervation
Dorsal Rami
33
levator costarum origin
transverse
processes of C7-
T11
34
levator costarum insertion
subjacent
ribs between
tubercle and
angle
35
levator costarum action
elevates ribs
36
levator costarum nerve innervation
Dorsal Rami
37
intertransversaii
(cervical,
thoracic,
lumbar) origin
```
extend between
adjacent
transverse
processs of
vertebrae
```
38
intertransversaii
(cervical,
thoracic,
lumbar) insertion
```
extend
between
transverse
processes of
vertebrae
```
39
intertransversaii
(cervical,
thoracic,
lumbar) action
assists in lateral
flexion of vertebral
column
40
intertransversaii
(cervical,
thoracic,
lumbar) nerve innervation
Dorsal Rami
41
interspinalis
(cervical,
thoracic,
lumbar) origin
spinous
| processes
42
interspinalis
(cervical,
thoracic,
lumbar) insertion
adjacent
spinous
processes
43
interspinalis
(cervical,
thoracic,
lumbar) action
aid in extension of
| vertebral column
44
interspinalis
(cervical,
thoracic,
lumbar) nerve innervation
Dorsal Rami
45
quadratus
| lumborum origin
```
medial half of
inferior border of
12th rib, tips of
lumbar
transverse
processes
```
46
quadratus
| lumborum insertion
iliolumbar
ligment,
internal lip
of iliac crest
47
quadratus
| lumborum action
extends and laterally
flexes vertebral
column, fixes 12 the
rib during inspiration
48
quadratus
| lumborum nerve innervation
```
ventral rami
of T12 and
first 4
lumbar
nerves
```
49
splenius capitis origin
nuchal ligament,
spinous process
of C7-T3
50
splenius capitis insertion
```
mastoid
process of
temporal
bone, lateral
third of
superior
nuchal line
```
51
splenius capitis action
```
bilateral: extend
head
unilateral:laterally
flexes and rotates
face to same side
```
52
splenius capitis nerve innervation
Dorsal Rami
53
splenius cervicis origin
spinous proces of
| T3-T6
54
splenius cervicis insertion
transverse
process fo
C1-C3
55
splenius cervicis action
```
bilateral: extend
head
unilateral:laterally
flexes and rotates
face to same side
```
56
splenius cervicis nerve innervation
Dorsal Rami
57
obliquus capitis
| inferior origin
spine of axis
58
obliquus capitis
| inferior insertion
transverse
process of
atlas
59
obliquus capitis
| inferior action
rotates atlas to turn
| face to same side
60
obliquus capitis
| inferior nerve innervation
Suboccipital
61
obliquus capitis
| superior origin
transverse
| process of atlas
62
obliquus capitis
| superior insertion
occipital
| bone
63
obliquus capitis
| superior action
extends head and
| bends laterally
64
obliquus capitis
| superior nerve innervation
Suboccipital
65
rectus capitis
| posterior major origin
spine of axis
66
rectus capitis
| posterior major insertion
inferior
| nuchal line
67
rectus capitis
| posterior major action
extends and rotates
| head to same side
68
rectus capitis
| posterior major nerve innervation
Suboccipital
69
rectus capitis
| posterior minor origin
tubercle of
posterior arch of
atlas
70
rectus capitis
| posterior minor insertion
median
inferior
nuchal line
71
rectus capitis
| posterior minor action
extends head
72
rectus capitis
| posterior minor nerve innervation
Suboccipital
