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Clinical Anatomy > Vertebral Column Muscles > Flashcards

Vertebral Column Muscles Flashcards

1
Q

Action of Coccygeus

A

Supports Pelvic Viscera

Draws Coccyx Forward

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2
Q

Action of Diaphragm

A

Elevates with expiration

Depresses with inspiration

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3
Q

Action of External Oblique

A

Compresses and supports viscera

Flexes Trunk

Rotates Trunk contralaterally

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4
Q

Action of Iliocostalis Cervicis

A

Bilaterally: Extend vertebral column and head

Unilaterally: Laterally bend vertebral column

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5
Q

Action of Iliocostalis Lumborum

A

Bilaterally: extend vertebral column and head

Unilaterally: laterally bend vertebral column

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6
Q

Action of Iliocostalis Thoracis

A

Bilaterally: Extend vertebral column and head

Unilaterally: Laterally bend vertebral column

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7
Q

Action of Internal Oblique

A

Compresses and supports viscera

Flexes Trunk

Rotates Trunk Ipsilaterally

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8
Q

Action of Interspinales

A

Assist with extension and rotation of vertebrae

Proprioception

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9
Q

Action of Intertransversarii

A

Assist with lateral bending of vertebral column

Stabilizes vertebral column

Proprioception

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10
Q

Action of Levator Ani

A

Supports Pelvic viscera

Resists Intra-abdominal pressure

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11
Q

Action of Levatores Costarum

A

Elevates ribs

Assists with inspiration and lateral bending of vertebrae

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12
Q

Action of Longissimus Capitis

A

Bilaterally: Extend vertebral column and head

Unilaterally: Laterally bend vertebral column

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13
Q

Action of Longissimus Cervicis

A

Bilaterally: Extend vertebral column and head

Unilaterally: Laterally bend vertebral column

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14
Q

Action of Longissimus Thoracis

A

Bilaterally: Extend vertebral column and head

Unilaterally: Laterally bend vertebral column

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15
Q

Action of Multifidus

A

Stabilize vertebrae

Assists with local extension and contralateral rotation

Proprioception

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16
Q

Action of Quadratus Lumborum

A

Fixes 12th rib during respiration

Hikes Hip

Laterally flexes Trunk

Extends Trunk

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17
Q

Action of Rectus Abdominis

A

Flexes trunk

Compresses viscera

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18
Q

Action of Rotatores

A

Stabilize vertebrae

Assist with local extension and contralateral rotation

Proprioception

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19
Q

Action of Semispinalis Capitis

A

Extend Thorax

Rotate contralaterally

Stabilize vertebral column

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20
Q

Action of Semispinalis Cervicis

A

Extend Thorax

Rotate contralaterally

Stabilize vertebral column

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21
Q

Action of Semispinalis Thoracis

A

Extend Thorax

Rotate contralaterally

Stabilize vertebral column

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22
Q

Action of Spinalis Capitis

A

Bilaterally: Extends vertebral column and head

Unilaterally: Laterally bend vertebral column

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23
Q

Action of Spinalis Cervicis

A

Bilaterally: Extend vertebral column and head

Unilaterally: Laterally bend vertebral column

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24
Q

Action of Spinalis Thoracis

A

Bilaterally: Extend vertebral column and head

Unilaterally: Laterally bend vertebral column

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25
Q

Action of Transverse Abdominis

A

Compresses and supports viscera

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26
Q

Innervation of Coccygeus

A

Ventral Rami of S4-S5

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27
Q

Innervation of Diaphragm

A

Phrenic Nerve (C3-C5)

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28
Q

Innervation of External Oblique

A

Thoracoabdominal Nerve (T7-T12)

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29
Q

Innervation of Iliocostalis Cervicis

A

Dorsal Rami of respective spinal nerves

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30
Q

Innervation of Iliocostalis Lumborum

A

Dorsal Rami of respective spinal nerves

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31
Q

Innervation of Iliocostalis Thoracis

A

Dorsal Rami of respective spinal nerves

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32
Q

Innervation of Internal Oblique

A

Thoracoabdominal Nerve (T7-T12)

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33
Q

Innervation of Interspinales

A

Dorsal Rami of respective spinal nerves

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34
Q

Innervation of Intertransversarii

A

Dorsal Rami of respective spinal nerves

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35
Q

Innervation of Levator Ani

A

Ventral Rami of S3-S4

Perineal nerve of the pudendal nerve

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36
Q

Innervation of Levatores Costarum

A

Dorsal Rami of respective spinal nerves

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37
Q

Innervation of Longissimus Capitis

A

Dorsal Rami of respective spinal nerves

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38
Q

Innervation of Longissimus Cervicis

A

Dorsal Rami of respective spinal nerves

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39
Q

Innervation of Longissimus Thoracis

A

Dorsal Rami of respective spinal nerves

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40
Q

Innervation of Multifidus

A

Dorsal Rami of respective spinal nerves

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41
Q

Innervation of Quadratus Lumborum

A

Anterior Rami of T12-L4

42
Q

Innervation of Rectus Abdominis

A

Thoracoabdominal nerve (T7-T12)

43
Q

Innervation of Rotatores

A

Dorsal Rami of respective spinal nerves

44
Q

Innervation of Semispinalis Capitis

A

Dorsal rami of respective spinal nerves

45
Q

Innervation of Semispinalis Cervicis

A

Dorsal Rami of respective spinal nerves

46
Q

Innervation of Semispinalis Thoracis

A

Dorsal Rami of respective spinal nerves

47
Q

Innervation of Spinalis Capitis

A

Dorsal Rami of respective spinal nerves

48
Q

Innervation of Spinalis Cervicis

A

Dorsal Rami of respective spinal nerves

49
Q

Innervation of Spinalis Thoracis

A

Dorsal Rami of respective spinal nerves

50
Q

Innervation of Transverse Abdominis

A

Thoracoabdominal nerve (T7-T12)

51
Q

Insertion of Coccygeus

A

Inferior sacrum

Coccygeus

52
Q

Insertion of Diaphragm

A

Central Tendon

53
Q

Insertion of External Oblique

A

Linea Alba

Pubic Tubercle

Anterior Half of Iliac Crest

54
Q

Insertion of Iliocostalis Cervicis

A

Transverse processes of C4-C6

55
Q

Insertion of Iliocostalis Lumborum

A

Angles of ribs 7-12

56
Q

Insertion of Iliocostalis Thoracis

A

Angles of ribs 1-6, transverse process of C7

57
Q

Insertion of Internal Oblique

A

Inferior Borders of Ribs 10-12

Linea Alba

Pecten Pubis

58
Q

Insertion of Interspinales

A

Inferior surfaces of spinous process of vertebrae superior to origin

59
Q

Insertion of Intertransversarii

A

Transverse processes of adjacent vertebrae

60
Q

Insertion of Levator Ani

A

Perineal Body

Anococcygeal Ligament

Walls of Prostate or Vagina

Rectum

Anal canal

Coccyx

61
Q

Insertion of Levatores Costarum

A

Ribs between its tubercle and angle

62
Q

Insertion of Longissimus Capitis

A

Mastoid Process of Occipital Bone

63
Q

Insertion of Longissimus Cervicis

A

Transverse process of C2-C6

64
Q

Insertion of Longissimus Thoracis

A

Transverse Processes of T1-T12

Between angles and tubercles of ribs 3-12

65
Q

Insertion of Multifidus

A

Spinous processes of vertebrae spanning 2-4 segments up to C2

66
Q

Insertion of Quadratus Lumborum

A

Iliolumbar ligament

Iliac Crest

67
Q

Insertion of Rectus Abdominis

A

Xiphoid process

Costal Cartilages of ribs 5-7

68
Q

Insertion of Rotatores

A

Lamina and Transverse processes of vertebrae 1-2 segments above origin

69
Q

Insertion of Semispinalis Capitis

A

Between superior and inferior nuchal line of occipital bone

70
Q

Insertion of Semispinalis Cervicis

A

Spinous Processes of C2-C5

71
Q

Insertion of Semispinalis Thoracis

A

Spinous processes of C6-T4

72
Q

Insertion of Spinalis Capitis

A

Blends with Semispinalis Capitis at the occiput

73
Q

Insertion of Spinalis Cervicis

A

Spinous processes of C2-C4

74
Q

Insertion of Spinalis Thoracis

A

Spinous processes of T4-T8

75
Q

Insertion of Transverse Abdominis

A

Linea Alba

Pubic Crest

Pecten Pubis

76
Q

Origin of Coccygeus

A

Ischial spine

Sacrospinous Ligament

77
Q

Origin of Diaphragm

A

Right crus L1-L4

Left crus L1-L3

Internal surface of Xiphoid Process

Lower 6 ribs

Costal Cartilages

78
Q

Origin of External Oblique

A

External surfaces of ribs 5-12

79
Q

Origin of Iliocostalis Cervicis

A

Angles of ribs 3-6

80
Q

Origin of Iliocostalis Lumborum

A

Middle crest of sacrum

Iliac Crest

Spinous process of T11-L5

Sacrotuberous and posterior SI ligament

Thoracolumbar fascia

81
Q

Origin of Iliocostalis Thoracis

A

Angles of ribs 7-12

82
Q

Origin of Internal Oblique

A

Thoracolumbar fascia

Anterior Two-Thirds of Iliac Crest

Lateral Half of Inguinal Ligament

83
Q

Origin of Interspinales

A

Superior surfaces of spinous processes of cervical and lumbar vertebrae

84
Q

Origin of Intertransversarii

A

Transverse proceses of cervical and lumbar vertebrae

85
Q

Origin of Levator Ani

A

Inner aspect of pubic body

Tendinous arch of obturator fascia

Ischial Spine

86
Q

Origin of Levatores Costarum

A

Tips of transverse processes of C7, T1-T11

87
Q

Origin of Longissimus Capitis

A

Transverse Processes of T1-T5

Articular processes of C4-C7

88
Q

Origin of Longissimus Cervicis

A

Transverse Processes T1-T5

89
Q

Origin of Longissimus Thoracis

A

Transverse processes of L1-L5

Thoracolumbar Fascia

90
Q

Origin of Multifidus

A

Sacrum

Ilium

Mammillary processes of lumbar vertebrae

Transverse processes of T1-T3

Articular processes of C4-C7

91
Q

Origin of Quadratus Lumborum

A

Medial half of the inferior border of the 12th ribs

Transverse Processes of L1-L5

92
Q

Origin of Rectus Abdominis

A

Pubic Symphysis

Pubic Crest

93
Q

Origin of Rotatores

A

Transverse processes of vertebrae

94
Q

Origin of Semispinalis Capitis

A

Articular processes of C4-C7

Transverse processes of C7 and T1-T7

95
Q

Origin of Semispinalis Cervicis

A

Transverse proceeses of T1-T6

96
Q

Origin of Semispinalis Thoracis

A

Transverse processes of T6-T10

97
Q

Origin of Spinalis Capitis

A

Blends with Semispinalis Capitis

98
Q

Origin of Spinalis Cervicis

A

Ligamentum Nuchae

Spinous processes of C7-T2

99
Q

Origin of Spinalis Thoracis

A

Spinous process of T11 and T12

100
Q

Origin of Transverse Abdominis

A

Internal surface of costal cartilages 7-12

Tharcolumbar Fascia

Iliac Crest

Lateral Third of Inguinal Ligament

Clinical Anatomy (7 decks)

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