Disc Flashcards
Contents of Nucleus Pulposus
Water
Collagen II
Proteoglycans
Contents of Annulus Fibrosis
Water
Collagen I
Proteoglycans
Optimal Stimulus for Disc Regeneration: Annulus
Rotation
Optimal Stimulus for Disc Regeneration: Nucleus Pulposus
Intermittent compression/decompression
What leads to disc degeneration?
Aging
Genetics
Dec proteoglycans, Inc Collagen
Injury, smoking, trauma
Bad mechanics: shearing, repetitive trauma
In Posterolateral Disc Herniation, where is the bulge?
Lateral to nerve root
In Posterolateral Disc Herniation, what does the patient’s posture look like?
Shifting away
In Posteromedial Disc Herniation, where is the bulge?
Medial to nerve root
In Posteromedial Disc Herniation, what does the patient’s posture look like?
Shifting to same side