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

Deep muscles of the back and suboccipital region Flashcards

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
Q

Splenius cervicis insertion

A

Transverse process (C1-C3)

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26
Q

Splenius cervicis function

A

Unilateral- Lateral flexion, Rotation
Bilateral- Extension

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27
Q

Splenius cervicis innervation

A

Dorsal rami of cervical spinal nerves

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28
Q
A

Splenius capitis- Spinotransverse group- reaches cranium

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29
Q

Splenius capitis origin

A

Spinous process (C7-T3/4)

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30
Q

Splenius capitis insertion

A

Mastoid process
Occipital bone

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31
Q

Splenius capitis innervation

A

Dorsal rami of cervical spinal nerves

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32
Q

Splenius capitis function

A

Unilateral- Lateral flexion, Rotation
Bilateral- Extension

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33
Q
A

Intertransversarii Levatores costarum(elevates ribs)

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34
Q

Levatores costarum origin

A

Transverse process C7-T11

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35
Q

Levatores costarum insertion

A

Transverse process C2-C3, L1-L5

36
Q

Levatores costarum function

A

Unilateral- Lateral flexion
Bilateral- Extension

37
Q

Levatores costarum innervation

A

Dorsal rami of spinal nerves

38
Q
A

Erector spinae- spinalis (Medial tract)

39
Q

Erector spinae- spinalis origin

A

Spinous process
C2-T12

40
Q

Erector spinae- spinalis insertion

A

ATTACHES TO ANOTHER SPINOUS PROCESS

41
Q

Erector spinae- spinalis function

A

Unilateral- Lateral flexion
Bilateral- Extension

42
Q

Erector spinae- spinalis innervation

A

Dorsal rami of spinal nerves

43
Q
A

Interspinales

44
Q

Interspinales origin

A

Spinous process cervical and lumbar

45
Q

Interspinales insertion

A

Spinous process cervical and lumbar

46
Q

Interspinales function

A

Extension no rotation

47
Q

Interspinales innervation

A

Dorsal rami of spinal nerves

48
Q
A

Rotatores breve and longi (Medial tract)

49
Q

Rotatores breve and longi origin

A

Transverse process
Spinous process
Thoracic

50
Q

Rotatores breve and longi insertion

A

Transverse process
Spinous process
Thoracic

51
Q

Rotatores breve and longi function

A

Unilateral- lateral flexion, rotation
Bilateral- Extension

52
Q

Rotatores breve and longi innervation

A

Dorsal rami of spinal nerves

53
Q
A

Multifidus

54
Q

Multifidus function

A

Unilateral- Lateral flexion, rotation
Bilateral- Extension

55
Q

Multifidus innervation

A

Dorsal rami of spinal nerves

56
Q

Multifidus incloses which structures

A

Transverse process
Spinous process
C2
Sacrum

57
Q
A

Semispinalis thoracic, cervicis capitis

58
Q

Semispinalis thoracic, cervicis capitis origin

A

Transverse process
C3
T12

59
Q

Semispinalis thoracic, cervicis capitis insertion

A

Spinous process
C2
T7
Occipital bone

60
Q

Semispinalis thoracic, cervicis capitis function

A

Unilateral- Lateral flexion, rotation
Bilateral- Extension

61
Q

Semispinalis thoracic, cervicis capitis innervation

A

Dorsal rami of spinal nerve

62
Q
A

Yellow: Rectus capitis anterior
Green: Rectus capitis lateralis

63
Q

Rectus capitis anterior origin and insertion

A

Atlas to occipital bone

64
Q

Rectus capitis anterior function

A

Flexion

65
Q

Rectus capitis anterior innervation

A

Ventral rami of C1 nerve

66
Q

Rectus capitis lateralis origin and insertion

A

Atlas to occipital bone

66
Q

Rectus capitis lateralis function

A

Unilateral: Lateral flexion
Bilateral: Flexion
Main action: occipital bone rotation on atlas

67
Q

Rectus capitis lateralis innervation

A

Ventral rami of C1 nerve

68
Q
A

Green: Longus capitis
Blue: Longus colli

69
Q

Longus capitis origin

A

Occipital bone

70
Q

Longus capitis insertion

A

Transverse process (C3-C6)

71
Q

Longus capitis and Longus colli function

A

Unilateral- Lateral flexion, rotation
Bilateral- Flexion

72
Q

Longus capitis and Longus colli innervation

A

Branches from cervical plexus (C2-C6)

73
Q

Longus colli origin

A

Transverse process

74
Q

Longus colli insertion

A

Vertebral body (C2-T3)

75
Q

Suboccipital muscles

A

Green: Rectus capitis posterior major
Blue: Rectus capitis posterior minor
Yellow: Obliquus capitis superior
Purple: Obliquus capitis inferior

76
Q

Suboccipital muscles innervation

A

Dorsal ramus of C1 (suboccipital nerve)

77
Q

Rectus capitis posterior major origin and insertion

A

Occipital bone to axis (C2)

78
Q

Rectus capitis posterior minor origin and insertion

A

Occipital bone to atlas (C1)

79
Q

Obliquus capitis superior origin and insertion

A

Occipital bone to atlas (C1)

80
Q

Obliquus capitis inferior origin and insertion

A

Atlas (C1) to axis (C2)

81
Q

Suboccipital triangle

A
  1. Rectus capitis posterior minor
  2. Obliquus capitis inferior
  3. Obliquus capitis superior
  4. Vertebral artery
  5. Posterior ramus of C1
82
Q

What is the only spiral nerve that doesnt have a corresponding skin area

A

Suboccipital nerve

83
Q
A
  1. Occipitalis major nerve
  2. Occipitalis tertius nerve
  3. Sub-occipitalis nerve
84
Q

Occipitalis major nerve pathway

A

Reaches the base4 of muscle fivers or superior nuchal line then pierces deep fascia to become superficial the passes over the suboccipital triangle.

85
Q
A
  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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