What is lumbar spinal stenosis?

Lumbar spinal stenosis, or LSS, is a common, often disabling condition. It comes from compression of the bundle of nerve roots within the base of the spinal canal. LSS results in low back pain. It can also cause pain in the legs and feet, numbness or tingling, and difficulty walking. LSS is most common among people over 60.

LSS is a progressive condition, meaning it can get worse over time. What may start out as discomfort walking could eventually affect patients' ability to do daily activities. This may in turn lead to even greater muscle weakness and other problems.

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