FACTS
Mechanical pathology: flexion and axial loading
Key principle: Disc Herniation Types and Traversing vs. Exiting Nerve Roots
Herniation Type | Nerve Roots Impacted | Example | |
Central / Paracentra | traversing nerve root (nerve roots below) | L4-5 disc affects L5/S1 nerve root | |
Far Lateral / Foraminal | exiting nerve root(nerve root at that level) | L4-5 disc affects affects only L4 nerve root |
A/P
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