IVF, IVD, Spinal Ligaments Flashcards Preview

Boards Chiro Essentials > IVF, IVD, Spinal Ligaments > Flashcards

Flashcards in IVF, IVD, Spinal Ligaments Deck (39)
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1

What tissue makes of the IV disc?

Type 1 collagen (outer); Type 2 collagen (inner)

2

The outer part of the IV disc is called?

Annulus fibrosis

3

How many concentric laminae make up the annulus fibrosus?

15-20

4

What is the orientation of the IV disc fibers of the concentric laminae?

65 degrees to the vertical

5

Adjacent laminae have fibers oriented how?

The opposite direction

6

What is the inner aspect of the IV disc called?

Nucleus pulposus

7

What molecules does the nucleus pulposus contain?

Proteoglycan

8

What are the most external regions of the disc called?

Vertebral endplates

9

Where are the vertebral endplates thickest? thinnest?

Lumbar; thoracic

10

What portion of the IV disc is innervated?

The outer 1/3

11

The innervated portion of the IV disc is supplied by what nerves?

Sinuvertebral (recurrent meningeal), Sensory nerves via the gray rami communicans

12

How does the IV disc receive nutrition?

Diffusion from the vertebral endplates facilitated by spinal movement

13

What is the superior boundary of the IVF?

Inferior vertebral notch and pedicle of the vertebra above

14

What is the anterior boundary of the IVF?

Vertebral bodies and disc

15

What is the inferior boundary of the IVF?

Pedicle and the superior vertebral notch of the vertebra above

16

What is the posterior boundary of the IVF?

Anterior aspect of the zygapophyseal joint and capsule

17

What are the contents of the IVF?

Spinal nerve, spinal nerve roots, DRG, spinal artery, veins, two-four sinuvertebral nerves, fat, and transforaminal ligaments

18

What can narrow the IVF?

Osteophytes or prolapsed discs

19

Internal disc disruptions may irritate spinal nerve roots how?

Inflammatory chemicals

20

What area does the ALL cover?

The sacrum to the basal part of the occiput

21

Is the ALL weaker or stronger than the PLL?

Stronger

22

What does the ALL prevent?

Hyperextension

23

What area does the PLL cover?

Extends from C2 to the sacrum

24

Above C2 the PLL is called what?

Tectorial membrane

25

What does the PLL prevent?

Hyperflexion

26

Where does the supraspinous ligament attach?

Tips of the spinous process

27

Beyond C7 what is the supraspinous ligament called?

Ligamentum Nuchae

28

What does the supraspinous ligament prevent?

Hyperflexion

29

What area does the interspinous ligament prevent?

Between the spinous processes of adjacent vertebra

30

What does the interspinous ligament prevent?

Posterior translation and limits flexion