Final Posterior longitudinal ligament Flashcards Preview

Spinal Anatomy Summer 2015 > Final Posterior longitudinal ligament > Flashcards

Flashcards in Final Posterior longitudinal ligament Deck (16)
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1
Q

What vertebral levels will the posterior longitudinal ligament attach to

A

Those between C2 and S3 inclusive are traditionally indicated

2
Q

What will the posterior longitudinal ligament attach to in addition to vertebral bodies

A

The intervertebral disc

3
Q

Newer research suggests what regional variation in the posterior longitudinal ligament

A

Prominent in the cervicals, occasional in the thoracics, rare in the lumbars

4
Q

What is the relationship of the posterior longitudinal ligament to the vertebral foramen

A

It forms the anterior boundary of the spinal canal

5
Q

What is the appearance of the posterior longitudinal ligament in the cervical spine

A

It is parallel alone it’s lateral margin

6
Q

What is the appearance of the posterior longitudinal ligament appear no the thoracic spine

A

It is parallel alone it’s lateral margins in the upper thoracic spine, hourglass shaped in the lower thoracic spine

7
Q

What is the appearance of the posterior longitudinal ligament in the lumbar spine

A

It is hourglass shaped along it’s lateral margin

8
Q

What is the innermost layer of the posterior longitudinal ligament in the lumbar spine

A

The perivertebral ligament

9
Q

What innervates the posterior longitudinal ligament

A

Posterior neural plexus formed by fibers from e recurrent meningeal nerve sinus vertebral nerve sinu vertebral nerve

10
Q

What is the classification of the posterior longitudinal ligament vertebral body joint

A

Fibrosus Amphiarthrosis syndesmosis

11
Q

What is the function of the posterior longitudinal ligament

A

It brakes or limits flexion of the vertebral column

12
Q

Where is ossification of the posterior longitudinal ligament most commonly identified

A

The cervical spine with an 80% incidence

13
Q

What is the clinical sign of posterior longitudinal ligament ossification in the cervical spine

A

A loss of hand and finger dexterity

14
Q

What is the clinical sign of posterior longitudinal ligament ossification on the lumbar spine

A

Faltering gait

15
Q

What is the gender, age, and ethnic bias associated with ossification of the posterior longitudinal ligament

A

It is greater in males over 50 and has a higher incidence in the Japanese

16
Q

At one time ossification of the posterior longitudinal ligament was an example of what condition

A

Diffuse idiopathetic skeletal hyperostosis or DISH

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