intrinsic back Flashcards
1
Q
Splenius capitis attachment
A
- Spinous processes of upper 4 thoracic vertebra
- Lower nuchal ligament
2
Q
Splenius capitis
insertion
A
- Mastoid process
- Superior nuchal line on occipital bone
3
Q
Splenius capitis action
A
- Rotate head to the same side
- When together extend head and neck
3
Q
Splenius capitis innervation
A
- Posterior rami of spinal nerves C3 and C4
4
Q
Splenius cervicis
attachment
A
- Spinous processes of T3-T6
5
Q
Splenius cervicis
insertion
A
- Transverse processes of upper 3 cervical vertebrae
6
Q
Splenius cervicis
action
A
- Rotate head to the same side
- When together extend head and neck
7
Q
Splenius cervicis
innervation
A
- Posterior rami of lower spinal nerves
8
Q
Iliocostalis attachment
A
- Broad tendon attaching to iliac crest, posterior aspect of sacrum, sacroiliac ligaments, median sacral crest, spinous processes of lower lumbar vertebrae
9
Q
Iliocostalis insertion
A
- Costal angle of ribs
- Cervical transverse processes
10
Q
Iliocostalis action
A
- Unilaterally - laterally flex vertebral column
- Bilaterally extend vertebral column and head
11
Q
Iliocostalis innervation
A
- Posterior rami of spinal nerves
12
Q
longissimus attachment
A
- Broad tendon attaching to iliac crest, posterior aspect of sacrum, sacroiliac ligaments, median sacral crest, spinous processes of lower lumbar vertebrae
13
Q
longissimus insertion
A
- Lower ribs
- Transverse processes of C2-T12
- Mastoid process of skull
14
Q
longissimus action
A
- Unilaterally - laterally flex vertebral column
- Bilaterally extend vertebral column and head
15
Q
longissimus innervation
A
- Posterior rami of spinal nerves
16
Q
Spinalis attachment
A
- Broad tendon attaching to iliac crest, posterior aspect of sacrum, sacroiliac ligaments, median sacral crest, spinous processes of lower lumbar vertebrae
17
Q
Spinalis insertion
A
- Spinous processes of C2, T1-T8
- Occipital bone of skull
18
Q
Spinalis action
A
- Unilaterally - laterally flex vertebral column
- Bilaterally extend vertebral column and head
19
Q
Spinalis innervation
A
- Posterior rami of spinal nerves
20
Q
Semispinalis insertion
A
- Span 4-6 vertebral segments
- Spinous processes of C2-T4
20
Q
Semispinalis attachment
A
- Transverse processes of C4-T10
21
Q
Semispinalis action
A
- Extends and contralaterally rotates head and vertebral column
22
Q
Semispinalis innervation
A
- Posterior rami of spinal nerve
23
Multifidus attachment
- Has a broad origin – arises from the sacrum, posterior iliac spine, common tendinous origin of the erector spinae
- mammillary processes of lumbar vertebrae
- transverse processes of T1-T3
- articular processes of C4-C7
24
Multifidus insertion
- Spans 2-4 vertebral segments
- Vertebral spinous processes
25
Multifidus action
- Stabilises vertebral column
26
Multifidus innervation
- Posterior rami of spinal nerve
27
Rotatores attachment
- Vertebral transverse processes
28
Rotatores insertion
- Attach to lamina and spinous process of vertebrae above
29
Rotatores action
- Contributes to extension and rotation of the vertebral column.
- Stabilises the vertebrae and had a proprioceptive function.
30
Interspinales action
- Stabilise vertebral column
30
Rotatores innervation
- Posterior rami of spinal nerve
31
Interspinales attachment
- Between spinous processes
32
Interspinales insertion- Between spinous processes
33
Interspinales innervation
- Posterior rami of spinal nerve
34
Intertransversarii attachment
- Between adjacent transverse processes
35
Intertransversarii insertion
- Between adjacent transverse processes
36
Intertransversarii action
- Stabilise vertebral column
37
Intertransversarii innervation
- Posterior rami of spinal nerve
38
Levatores costarum
attachment
- Transverse processes of C7-T11
39
Levatores costarum
insertion
- Rib immediately below
40
Levatores costarum
action
- Elevate ribs
41
Levatores costarum
innervation
- Posterior rami of spinal nerve
42
Rectus capitis posterior major attachment
- Spinous process of C2
43
Rectus capitis posterior major insertion
- Lateral part of inferior nuchal line on the occipital bone
44
Rectus capitis posterior major action
- Extension and rotation of the head
45
Rectus capitis posterior major innervation
- Suboccipital nerve (posterior ramus of C1)
46
Rectus capitis posterior minor attachment
- Posterior tubercle of C1
47
Rectus capitis posterior minor insertion
- Medial part of inferior nuchal line on occipital bone
48
Rectus capitis posterior minor action
- Extension of the head
49
Rectus capitis posterior minor innervation
- Suboccipital nerve (posterior ramus of C1)
50
Obliquus capitis superior insertion
- Occipital bone, between superior and inferior nuchal lines
50
Obliquus capitis superior attachment
- Transverse process of C1
51
Obliquus capitis superior action
- Extension of the head
52
Obliquus capitis superior innervation
- Suboccipital nerve (posterior ramus of C1)
53
Obliquus capitis inferior attachment
- Spinous process of C2 vertebra
54
Obliquus capitis inferior
insertion
- Transverse process of C1
55
Obliquus capitis inferior
action
- Extension and rotation of the head
56
Obliquus capitis inferior
innervation
- Suboccipital nerve (posterior ramus of C1)
