Vertebral Column Flashcards

1
Q

Posterior movement of spine

A

Extension

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2
Q

Anterior movement of spine

A

Flexion

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3
Q

Movement of spine away from the midline

A

Lateral flexion

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4
Q

Twisting motion of spine

A

Rotation

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5
Q

How many moveable vertebrae are there? Which levels compromise the moveable vertebrae?

A

24 moveable comprised of cervical, thoracic, and lumbar levels 33 total

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6
Q

How many immoveable vertebrae are there? Which levels comprise immoveable vertebrae?

A

9 immoveable vertebrae comprised of sacral and coccygeal levels 33 total

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7
Q

Number of vertebrae in cervical spine

A

7

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8
Q

Number of vertebrae in thoracic spine

A

12

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9
Q

Number of vertebrae in lumbar spine

A

5

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10
Q

Number of vertebrae in sacrum

A

5 fused

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11
Q

Number of vertebrae in coccyx

A

3-4 fused

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12
Q

Anteriorly concaved curvature of the spine

A

Kyphosis

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13
Q

In which levels of the spine does kyphosis occur?

A

Thoracic and sacral

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14
Q

Kyphosis is a _____ curvature.

A

Primary

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15
Q

Posteriorly concaved curvature of the spine

A

Lordosis

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16
Q

In which levels of the spine does lordosis occur?

A

Cervical and lumbar

17
Q

Lordosis is a _____ curvature.

A

Secondary

18
Q

Define hyperkyphosis

A

Exaggerated primary curvature (hunchbacked)

19
Q

Define hyperlordosis

A

Exaggerated secondary curvature (chest and butt out)

20
Q

Define scoliosis

A

Lateral curvature of greater than 10 degrees

21
Q

What is the orientation of the articular facets of the cervical vertebrae

A

Slope anteriorly-posteriorly

22
Q

What are bifid spinous processes and which vertebrae have them

A

“forked”/C2-C6

23
Q

What are the purpose of transverse foramina? Which spine level has these?

A

Purpose: passageway for blood vessels supplying the head; only found in the cervical vertebrae

24
Q

Define uncinate processes.

A

Lip outlining the body of the C-spine

25
Q

What is typically extruded in a herniated disc?

A

Nucleus pulposus

26
Q

What is the purpose of the anterior longitudinal ligament?

A
  1. To prevent hyperextension

2. To prevent anterior herniation

27
Q

What is the purpose of the posterior longitudinal ligament?

A
  1. To prevent hyperflexion

2. To prevent posterior disc herniation

28
Q

What provides stability for the axiodental joint?

A

PLL running from C2 body to inner surface of occipital bone

29
Q

Which ligament/s help to resist vertebral separation

A

Ligamenta flava