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Understanding Sciatica

Sciatica is a very commonly used term among doctors and patients alike, but often what the term implies can become blurred or even misunderstood. The term sciatica is derived from the Sciatic nerve, a major nerve in the leg that gives rise to many smaller nerves that branch off further down. The sciatic nerve is large nerve created from many smaller nerves that come together after exiting the spine in the lumbar and sacral regions (lower back). The sciatic nerve carries information to and from the brain involved in sensation, pain, and muscle function for the lower extremity.