Vertebral Column Flashcards

1
Q

How many vertebrae do we have?

A
33 total
7 cervical
12 thoracic
5 lumbar
5 sacral
4 coccygeal
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2
Q

How are the facets of the upper cervical spine oriented:

a. vertical
b. horizontal
c. 45 degree angle

A

b.

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3
Q

How are the facets of the lower cervical spine oriented

a. horizontal
b. vertical
c. 45 degree angle

A

c. 45 degree angle

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4
Q

How are the facets of the thoracic spine oriented:

a. horizontal
b. vertical in a-p orientation
c. vertical in medial lateral orientation

A

b. think high five

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5
Q

How are the facets of the lumbar spine oriented:

a. horizontal
b. vertical in a-p orientation
c. vertical in medial lateral orientation

A

c, think field goal

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6
Q

What is the normal coupling motion of sidebending and rotation of the cervical spine?

A

opposite side bending and rotation

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7
Q

Fryette’s 1st law

A

When any part of the spine is in a neutral position the side-bending of the vertebra will be to the opposite side as the rotation of the spine.

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8
Q

Fryettes 2nd law

A

When any part of the spine is in a position of flexion or hyperextension the side-bending of the vertebra will be to the same side as the rotation of the spine.

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9
Q

Fryettes 3rd law

A

If motion in one plane is introduced to the spine any motion occurring in another direction is thereby restricted

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10
Q

Describe an opening restriction

A

Restricted flexion/SB/Rot to the opposite side that causes pain

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11
Q

Describe a closing restriction

A

Restriction of Ext/SB/Rot to the same side of the pain is termed a closing restriction

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12
Q

Which joint is considered the “yes” “maybe” joint

A

Atlanto-occipital

15-20 degrees extention/flexion, 10 degrees of side flexion

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13
Q

Which joint is considered the No joint

A

Atlanto-axial joint

rotation of 50 degrees, side flexion of 5 degrees, flexion/ext of 10 degrees

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14
Q

Inter vertebral disks are ___% of the height of the cervical spine

A

25%

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15
Q

The cervical and lumbar disks are (thicker or thinner) in the front, creating lordosis

A

Thicker

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16
Q

What is the purpose of the nucleus pulposus

A

Buffers axial compression by distributing compression forces

17
Q

What is the purpose of the annulus fibrosis

A

Withstands tension within disc