1/6/2016 Spinal Questions Flashcards

1
Q

Hofmann ligaments are identified in which regions along the vertebral column?

A

Cervical - upper thoracic region and lumbar region

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2
Q

Cervical - upper thoracic Hofmann ligaments will attach what structures together?

A

Dura mater to segments above

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3
Q

What is the highest level known to demonstrate Hofmann ligaments?

A

C6

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4
Q

What is the proposed function of the cervical - upper thoracic Hofmann ligaments?

A

Resist caudal movement of the dural sac; resist gravitational forces on the dura and cord

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5
Q

Lumbar Hofmann ligaments will attach what structures together?

A

Dura mater to lower segmental levels

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6
Q

What is the proposed function of the lumbar Hofmann ligaments?

A

Resist displacement of the peripheral nerve system in the intervertebral foramen

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7
Q

What is the orientation of the pedicle of a typical lumbar?

A

Posterior

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8
Q

The pedicle attaches at what location on vertebral body of a typical lumbar?

A

To the upper third or half of the vertebral body

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9
Q

What ligament attaches to the lamina of a typical lumbar?

A

Ligamentum Flavum

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10
Q

What joint classification will be associated with the ligamentum flavum attachment?

A

Fibrous (Amphiarthrosis) Syndesmosis joint

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11
Q

What osseous conditions of lumbar vertebrae facilitate a spinal tap in this region?

A

Overlap of the Laminae, shingling, diminishes; overlap of spinous processes, Imbrication, diminishes

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12
Q

What is the outline of the vertebral foramen of a typical lumbar vertebra?

A

Triangular

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13
Q

Which is the greatest diameter of the vertebral foramen of typical lumbars?

A

Transverse

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14
Q

How does the size of the vertebral foramen differ along the spine?

A

Cervicals have the greatest size, lumbars next, Thoracis smallest

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15
Q

What part of the peripheral nerve system is present in the lumbar spine?

A

The conus medullaris is typically present in the vertebral foramina of L2-L4

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16
Q

Beginning with the L1 transverse process, what is the generic direction and relative length of each succeeding lumbar transverse process?

A

Each transverse process is directed straight lateral and increases in length from L1-L3.
L4 then begins to decrease in length

17
Q

What are the types of Hofmann ligaments?

A

Anterior Hofmann ligaments, posterior Hofmann ligaments, lateral Hofmann ligaments and proximal root sleeve ligaments