Sciatica describes a radiating pain that can travel from your lower back down through your buttock and into your legs. The pain originates from pressure on the sciatic nerve specifically. Did you know the sciatic nerve is the largest single nerve in the body? It has a diameter of slightly less than one inch and it provides motor and sensory feelings to the legs. It is also the most common cause of radiculopathy (pinched nerve) causing pain, numbness and tingling, and sometimes weakness in the legs. Most cases of sciatica are caused by a herniated disc and in many cases the pain improves in four to five weeks.
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