Lecture 2 - Vertebral Column & Deep Back Region Flashcards

1
Q

How many vertebrae are in the vertebral column

A

26 (33) -> depends if you count the sacrum and coccyx as one fused

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2
Q

How many cervical vertebrae are there

A

7

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3
Q

How many thoracic vertebrae are there

A

12

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4
Q

How many lumbar vertebrae are there

A

5

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5
Q

How many sacrum vertebrae are there

A

5 fused

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6
Q

How many coccyx vertebrae are there

A

4 fused

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7
Q

When and which curves form as a fetus, at birth and as a child?

A

Fetus: none
Birth: Primary thoracic and sacral curves
Child: Secondary cervical and lumbar curves

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8
Q

Scoliosis

A

Abnormal lateral curvature

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9
Q

Does scoliosis result in significant weakness

A

No, not always

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10
Q

Kyphosis

A

Exaggerated thoracic curvature

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11
Q

Lordosis

A

Exaggerated lumbar curvature

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12
Q

Name the structure of the vertebrae that is missing

A

Pedicle

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13
Q

Name the structure of the vertebrae that is missing

A

Superior Articular Facet

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14
Q

Name the structure of the vertebrae that is missing

A

Transverse Process

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15
Q

Name the structure of the vertebrae that is missing

A

Lamina

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16
Q

Name the structure of the vertebrae that is missing

A

Spinous Process

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17
Q

Name the structure of the vertebrae that is missing

A

Vertebral arch

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18
Q

Name the structure of the vertebrae that is missing

A

Superior Articular Process

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19
Q

Name the structure of the vertebrae that is missing

A

Vertebral Foramen

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20
Q

Name the structure of the vertebrae that is missing

A

Body

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21
Q

Name the structure of the cervical vertebrae (C1-C7) that is missing

A

Dens of Axis

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22
Q

Name the structure of the cervical vertebrae (C1-C7) that is missing

A

Transverse Ligament of Atlas

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23
Q

Name the structure of the cervical vertebrae (C1-C7) that is missing

A

C1 (Atlas)

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24
Q

Name the structure of the cervical vertebrae (C1-C7) that is missing

A

C2 (Axis)

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25
Q

Name the structure of the cervical vertebrae (C1-C7) that is missing

A

Bifid Spinous Process

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26
Q

Name the structure of the cervical vertebrae (C1-C7) that is missing

A

Transverse Process

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27
Q

Name the structure of the cervical vertebrae (C1-C7) that is missing

A

Transverse Foramen

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28
Q

Atlas

A

Holds head up

29
Q

Axis

A

Pivot for head to turn

30
Q

Jefferson Fracture

A

Vertical compression force from skull on Atlas (C1)

31
Q

Pars Interarticularis Fracture

A

Traumatic hyperextension of the head on the neck can fracture the boney connection between the superior and inferior articular processes on the axis (C2)

32
Q

What happens if the ligamentum flavum increases in size

A

Decreases size of intervertebral foramen and cause nerves/blood vessels to be pinched

33
Q

Hyperextension of neck

A

stretch/tear to anterior longitudinal ligament and damage to intervertebral dis

34
Q

Hyperflexion (whiplash) of neck

A

Stretch/tear on posterior longitudinal ligament and supraspinous ligament rupture and compression of intervertebral disc on anterior surface

35
Q

Name the missing ligaments of the vertebral column

A

Facet Joint (Capsulary Ligament)

36
Q

Name the missing ligaments of the vertebral column

A

Supraspinous Ligament

37
Q

Name the missing ligaments of the vertebral column

A

Ligamentum Flavum

38
Q

Name the missing ligaments of the vertebral column

A

Posterior Longitudinal Ligament

39
Q

Name the missing ligaments of the vertebral column

A

Anterior Longitudinal Ligament

40
Q

Pars Interarticularis

A

Bony connection b/w superior and inferior articular processes

41
Q

Spondylosis

A

Common at L4/L5 due to repeated stress fractures caused by back hyperextension (ex. gymnastics) -> also called the spine divide

42
Q

Spondylolisthesis

A

Facet joint no longer holds vertebrae in place against force of bodyweight (spin slips foward)

43
Q

Name the 4 groups of intrinsic back muscles

A
  1. Respiratory
  2. Spinotransversales
  3. Erector Spinae
  4. Transversospinales
44
Q

What 2 muscles are part of the respiratory group?

A
  1. Serratus Posterior Superior
  2. Serratus Posterior Inferior
45
Q

Serratus Posterior Superior function

A

Elevates ribs

46
Q

Serratus Posterior Inferior function

A

Depresses ribs

47
Q

What nerve innervates the respiratory group

A

Ventral Rami

48
Q

Name the 2 muscles found in the spinotransversales group

A
  1. Splenius Capitus
  2. Splenius Cervicis
49
Q

What 3 functions do the splenius capitus and splenius cervicis of the spinotransversales group do?

A
  1. Neck extension
  2. Lateral Flexion
  3. Rotation
50
Q

What nerve innervates the spinotransversales group

A

Dorsal Rami

51
Q

What 3 muscles are apart of the erector spinae group?

A
  1. Spinalis
  2. Longissimus
  3. Iliocostalis
52
Q

What is the 2 functions of the spinalis, longissimus and iliocostalis in the erector spinae group?

A
  1. Trunk extension
  2. Lateral Flexion of trunk
53
Q

What nerve innervates the erector spinae group?

A

Dorsal Rami

54
Q

What are the 3 muscles found in the transversospinalis group

A
  1. Semispinalis
    2.Multifidus
  2. Rotatores
55
Q

What 3 regions can you find the semispinalis

A
  1. Capitus
  2. Cervicis
  3. Thoracis
56
Q

Arrange the transversospinalis group muscles in order from deep to deepest

A
  1. Semispinalis
  2. Multifidus
  3. Rotatores
57
Q

What are the 2 functions of the transversospinalis group

A
  1. Trunk/neck extension
  2. Trunk/neck rotation
58
Q

What nerve innervates the transversospinalis group

A

Dorsal Rami

59
Q

Name the missing regions

A
60
Q

NAme the missing regions

A
61
Q

Name the missing regions

A
62
Q

Name the missing regions

A
63
Q

What 2 muscles cause neck extension, lateral flexion, and rotation

A
  1. Splenius Capitus
  2. Splenius Cervicis
64
Q

What muscle elevates the ribs

A

Serratus Posterior Superior

65
Q

What muscle depresses the ribs

A

Serratus Posterior Inferior

66
Q

Name the missing areas

A
67
Q

What muscles cause trunk extension and lateral flexion of the trunk

A
  1. Spinalis
  2. Longissimus
  3. Iliocostalis
68
Q

Name the missing regions

A
69
Q

What muscles cause trunk/neck extension and trunk/neck rotation?

A
  1. Semispinalis
  2. Multifidus
  3. Rotatores