Ligamentum Flavum Flashcards Preview

Spinal Anatomy I - Exam 3 > Ligamentum Flavum > Flashcards

Flashcards in Ligamentum Flavum Deck (18):
1

What is the classification of the ligamentum flavum-lamina joint?

fibrous (amphiarthrosis) syndesmosis

2

What vertebral levels will the ligamentum flavum be attached to?

those between C2 and S1 inclusive

3

What are the specific bony attaching sites for the ligamentum flavum?

laminae

4

What will the ligamentum flavum attach to in addition to the lamina?

they may blend with the capsular ligament of the zygapophysis

5

How many ligamenta flava will attach to the lamina of a cervical segment?

two: one with the upper margin of the lamina and one with the lower margin

6

In which region of the spine will the ligamentum flavum be paired?

the lumbar spine

7

How many ligamenta flava will attach to the lamina of a lumbar segment?

four: two with the upper margin of the lamina and two with the lower margin

8

What is the relationship of the ligamentum flavum to the vertebral foramen?

it forms the posterior boundary of the spinal canal

9

What is the histology of the ligamentum flavum?

it is formed primarily with elastic fibers, which are yellow in appearance

10

What is the color of the ligamentum flavum?

yellow

11

What is the name given to the ligamentum flavum based on appearance and histology?

it is a yellow elastic ligament

12

What fibers are most ligaments made up of?

collagen type I fibers which are whitish in appearance

13

What is the function of the ligamentum flavum?

it brakes or limits flexion of the vertebral column

14

What is now thought to be a major function of the ligamentum flavum?

it is an early prime factor in extension of the vertebral column

15

How is the ligamentum flavum thought to be important in extension?

it is thought to store energy in the elastic fiber upon dorsi-flexion and initiates extension (straightening of the vertebral column) via energy release from the elastic fiber and involvement in the spinal reflex to muscles coordinating extension

16

What is the result of cervical hyperextension on the ligamentum flavum?

it bulges the ligamentum flavum into the spinal canal, which may compress the spinal canal

17

Where is ossification of the ligamentum flavum most commonly identified?

the thoracic spine or thoracolumbar transition zone

18

What is the acronym for ossification of the ligamentum flavum?

OLF

Decks in Spinal Anatomy I - Exam 3 Class (94):