OA

Question 1

What are some MSK causes of back pain?

Answer 1

Facet joint OA

Disc degeneration

Disc herniation

Fracture

Question 2

How do you diferentiate lumbar claudication from vascular claudication on history?

Answer 2

Vascular get particularly worse on walking up hills

Lumbar claudication generally is better as that posture opens up the canal

Question 3

What is the difference between a disc bulge and disc herniation?

Answer 3

A bulge involves >25% of the disc protruding from its normal location

A disc herniation involves <25% of the disc protruding from its normal location