Spinal stenosis is the narrowing of the bony canals through which the nerves and spinal cord pass.

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Arthritis can cause the facet joints and ligaments to enlarge and thicken, restricting the space for the nerves to move freely. The pinched nerves become inflamed and cause pain, cramping, numbness or weakness in your legs, back, neck, or arms. Medications, physical therapy and spinal injections can help control the symptoms. Chronic symptoms may require surgery to open the canals.

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