1. Disc Wall Weakens
Vertebral discs can be damaged by the normal wear of aging or by traumatic injury. Problems often begin when fibers in the outer wall crack and weaken. Radial tears form in and around sensitive nerve fibers in the disc wall.
2. Nucleus Pushes
Through Disc Wall
The disc’s soft nucleus pushes through to the outer edge of the disc wall. This causes local back pain at the disc level.
3. Rupture Presses
Against Nerve Roots
As the herniation pushes out of the disc wall, disc material may press against the large nerve roots. This can result in pain radiating down one of both legs.
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