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Understanding narrowing around the nerves

Spinal stenosis

Spinal stenosis describes reduced space around the spinal canal or nerve roots. Symptoms and functional limitations—not the scan alone—guide treatment decisions.

Cross-sections compare an open lumbar spinal canal with narrowing from enlarged joints and thickened ligaments around nerve roots.
Cross-sections compare an open lumbar spinal canal with narrowing from enlarged joints and thickened ligaments around nerve roots. View full-size image ↗

What to know

  • ✓Walking or standing may aggravate leg symptoms.
  • ✓Sitting or leaning forward may provide relief for some people.
  • ✓Treatment is personalized and often begins conservatively.

Information, not a diagnosis.
Your symptoms deserve an individual evaluation. If pain is severe, worsening, or accompanied by new weakness, seek medical care.

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