Spinal stenosis occurs when the spaces within the spine narrow and put pressure on the nerves that travel through the spinal cord. This condition typically occurs in the lower back and the neck.
Spinal stenosis does not always cause symptoms and may require an MRI or CT scan to diagnose the condition. When symptoms do occur, they begin gradually and worsen over time.
Spinal stenosis in the neck may cause:
Spinal stenosis in the lower back (lumbar spine) may cause:
The spine runs from the neck to the lower back, and is made up of bones that form a spinal canal, which protects the spinal cord (nerves).
Though some people are born with a small spinal canal, the condition usually occurs as a result of: