Posterior Longitudinal Ligament

Question 1

Newer research suggests what regional variation in the posterior longitudinal ligament?

Answer 1

Prominent in the cervicals
Occasional in the thoracics
Rare in the lumbars

Question 2

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

Answer 2

It forms the anterior boundary of the spinal canal

Question 3

What is the innermost layer of the posterior longitudinal ligament called?

Answer 3

Perivertebral Ligament

Question 4

What is the function of the posterior longitudinal ligament?

Answer 4

It brakes or limits flexion of the vertebral column

Question 5

Where is ossification of the posterior longitudinal ligament most commonly identified?

Answer 5

Cervical spine with an 80% incidence

Question 6

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

Answer 6

A loss of hand and finger dexterity

Question 7

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

Answer 7

Faltering Gait

Question 8

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

Answer 8

It is greater in males over 50

It has a higher incidence in the Japanese