A common cause of low back and leg pain is lumbar spinal stenosis. Spinal stenosis most often occurs in adults over 60 years old. Pressure on the nerve roots is equally common in men and women.
Spinal stenosis is like the lime build-up on the inside of a garden hose. Over time, it narrows the diameter of the hose, just as spinal stenosis narrows the spinal canal.
A laminectomy, or removal of the lamina, provides access to the inside of the spinal canal, and allows more room to remove a herniated disc or to open up a tight nerve hole (foramen).