In medical field stenosis means the abnormal narrowing of a body channel. So Spine Stenosis means narrowing of the spaces within your spine, which can put pressure on the nerves that travel through the spine. Spinal stenosis occurs most often in the lower back and the neck.

Some people with spinal stenosis may not have symptoms. while few may experience pain, tingling, numbness and muscle weakness. It can even worsen over time.

There are two types of spinal stenosis:

• Cervical stenosis : In this condition, the narrowing occurs in the part of the spine in your neck. This condition means that there is potential compression of the spinal cord. Unfortunately, the spinal cord compression can lead to serious problems such as extreme weakness, or even paralysis. With cervical stenosis, anyone who develops signs of spinal cord compression (myelopathy) may need more invasive treatment, such as surgery.
• Lumbar stenosis : In lumbar stenosis, the spinal nerve roots in the lower back become compressed and this can produce symptoms of sciatica—tingling, weakness or numbness that radiates from the low back and into the buttocks and legs—especially with activity.

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