Posterior Longitudinal Ligament

Question 1

What is the classification of the PLL -vertebral body joint?

Answer 1

Amphiarthrosis syndesmosis

Question 2

What is the function of the PLL?

Answer 2

Brakes or limits flexion of the vertebral column

Question 3

What is the gender, age and ethnic bias with ossification of the PLL?

Answer 3

greater in males over 50 yrs. higher incidence in the Japanese

Question 4

What is the acronym for ossification of the PLL?

Answer 4

OPLL

Question 5

At one time ossification of the PLL was an example of what condition?

Answer 5

Diffuse Idiopathic Skeletal Hyperostosis or DISH