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Anatomy > Deep muscles of the back and suboccipital region > Flashcards

Deep muscles of the back and suboccipital region Flashcards

(86 cards)

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1
Q
A

Green: Serratus posterior superior
Blue: Serratus posterior inferior

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2
Q

Serratus posterior superior origin

A

C7-T3

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3
Q

Serratus posterior superior insertion

A

2-5th ribs

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4
Q

Serratus posterior superior innervation

A

2nd-5th intercostal nerves

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5
Q

Serratus posterior superior function

A

Inhalation

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6
Q

Serratus posterior inferior origin

A

T11-L2

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7
Q

Serratus posterior inferior insertion

A

9-12 rib

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8
Q

Serratus posterior inferior innervation

A

9th-12th ventral rami of spinal nerve

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9
Q

Serratus posterior inferior function

A

Exhalation

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10
Q

Lateral tract group of muscles

A

Sacrospinal group
Spinotransversus and Intertransverse group

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11
Q

Medial tract group of muscles

A

Spinal group
Transversospinal group

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12
Q

Main function of the lateral tract and medial tract muscles

A

Movement of vertebral column

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13
Q
A

Erector spinae- iliocostalis

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14
Q

Erector spinae- iliocostalis origin

A

Iliac crest- sacrum
7th-12th rib
3rd-6th rib

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15
Q

Erector spinae- iliocostalis insertion

A

6th-12th ribs
1-6 ribs
transverse process 4-6

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16
Q

Erector spinae- iliocostalis function

A

Unilateral- lateral flexion
Bilateral- extension

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17
Q

Erector spinae- iliocostalis innervation

A

dorsal rami of spinal nerve

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18
Q
A

Erector spinae- longissimus

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19
Q

Erector spinae- longissimus origin

A

Iliac crest- sacrum
transverse process
T1-T12
C4-C7

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20
Q

Erector spinae- longissimus insertion

A

1st-12th rib
Transverse process
T1-T12
C2-C5
Mastoid process

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21
Q

Erector spinae- longissimus function

A

Unilateral- Lateral flexion
Bilateral- Extension

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22
Q

Erector spinae- longissimus innervation

A

Dorsal rami of spinal nerve

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23
Q
A

Splenius cervicis - Spinotransverse group

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24
Q

Splenius cervicis origin

A

Spinous process (T3-T6)

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25
Splenius cervicis insertion
Transverse process (C1-C3)
26
Splenius cervicis function
Unilateral- Lateral flexion, Rotation Bilateral- Extension
27
Splenius cervicis innervation
Dorsal rami of cervical spinal nerves
28
Splenius capitis- Spinotransverse group- reaches cranium
29
Splenius capitis origin
Spinous process (C7-T3/4)
30
Splenius capitis insertion
Mastoid process Occipital bone
31
Splenius capitis innervation
Dorsal rami of cervical spinal nerves
32
Splenius capitis function
Unilateral- Lateral flexion, Rotation Bilateral- Extension
33
Intertransversarii Levatores costarum(elevates ribs)
34
Levatores costarum origin
Transverse process C7-T11
35
Levatores costarum insertion
Transverse process C2-C3, L1-L5
36
Levatores costarum function
Unilateral- Lateral flexion Bilateral- Extension
37
Levatores costarum innervation
Dorsal rami of spinal nerves
38
Erector spinae- spinalis (Medial tract)
39
Erector spinae- spinalis origin
Spinous process C2-T12
40
Erector spinae- spinalis insertion
ATTACHES TO ANOTHER SPINOUS PROCESS
41
Erector spinae- spinalis function
Unilateral- Lateral flexion Bilateral- Extension
42
Erector spinae- spinalis innervation
Dorsal rami of spinal nerves
43
Interspinales
44
Interspinales origin
Spinous process cervical and lumbar
45
Interspinales insertion
Spinous process cervical and lumbar
46
Interspinales function
Extension no rotation
47
Interspinales innervation
Dorsal rami of spinal nerves
48
Rotatores breve and longi (Medial tract)
49
Rotatores breve and longi origin
Transverse process Spinous process Thoracic
50
Rotatores breve and longi insertion
Transverse process Spinous process Thoracic
51
Rotatores breve and longi function
Unilateral- lateral flexion, rotation Bilateral- Extension
52
Rotatores breve and longi innervation
Dorsal rami of spinal nerves
53
Multifidus
54
Multifidus function
Unilateral- Lateral flexion, rotation Bilateral- Extension
55
Multifidus innervation
Dorsal rami of spinal nerves
56
Multifidus incloses which structures
Transverse process Spinous process C2 Sacrum
57
Semispinalis thoracic, cervicis capitis
58
Semispinalis thoracic, cervicis capitis origin
Transverse process C3 T12
59
Semispinalis thoracic, cervicis capitis insertion
Spinous process C2 T7 Occipital bone
60
Semispinalis thoracic, cervicis capitis function
Unilateral- Lateral flexion, rotation Bilateral- Extension
61
Semispinalis thoracic, cervicis capitis innervation
Dorsal rami of spinal nerve
62
Yellow: Rectus capitis anterior Green: Rectus capitis lateralis
63
Rectus capitis anterior origin and insertion
Atlas to occipital bone
64
Rectus capitis anterior function
Flexion
65
Rectus capitis anterior innervation
Ventral rami of C1 nerve
66
Rectus capitis lateralis origin and insertion
Atlas to occipital bone
66
Rectus capitis lateralis function
Unilateral: Lateral flexion Bilateral: Flexion Main action: occipital bone rotation on atlas
67
Rectus capitis lateralis innervation
Ventral rami of C1 nerve
68
Green: Longus capitis Blue: Longus colli
69
Longus capitis origin
Occipital bone
70
Longus capitis insertion
Transverse process (C3-C6)
71
Longus capitis and Longus colli function
Unilateral- Lateral flexion, rotation Bilateral- Flexion
72
Longus capitis and Longus colli innervation
Branches from cervical plexus (C2-C6)
73
Longus colli origin
Transverse process
74
Longus colli insertion
Vertebral body (C2-T3)
75
Suboccipital muscles
Green: Rectus capitis posterior major Blue: Rectus capitis posterior minor Yellow: Obliquus capitis superior Purple: Obliquus capitis inferior
76
Suboccipital muscles innervation
Dorsal ramus of C1 (suboccipital nerve)
77
Rectus capitis posterior major origin and insertion
Occipital bone to axis (C2)
78
Rectus capitis posterior minor origin and insertion
Occipital bone to atlas (C1)
79
Obliquus capitis superior origin and insertion
Occipital bone to atlas (C1)
80
Obliquus capitis inferior origin and insertion
Atlas (C1) to axis (C2)
81
Suboccipital triangle
1. Rectus capitis posterior minor 2. Obliquus capitis inferior 3. Obliquus capitis superior 4. Vertebral artery 5. Posterior ramus of C1
82
What is the only spiral nerve that doesnt have a corresponding skin area
Suboccipital nerve
83
1. Occipitalis major nerve 2. Occipitalis tertius nerve 3. Sub-occipitalis nerve
84
Occipitalis major nerve pathway
Reaches the base4 of muscle fivers or superior nuchal line then pierces deep fascia to become superficial the passes over the suboccipital triangle.
85
1. Occipitalis major (Great occipital nerve) 2. Occipitalis minor nerve 3. Opthalmicus nerve 4. C2 5. C3 6. C4 7. Occipitalis major 8. Occipitalis minor nerve

Anatomy (17 decks)

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