Thoracic Disc Disease
Epidemiology
0.05% incidence
- rare due to stabilising effect of rib cage
- even more rare to have symptoms
Reasoning
1. Discs are narrower
2. Foramina larger
3. Thoracic spine
- facet joints orientated for rotation
- lumbar spine for flexion extension
- flexion is typically the motion which ruptures annulus
Anatomy