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Sciatica By Jeffrey Walsh, PT, DPT, CFMT

What is Sciatica? Do I have it? The sciatic nerve is the largest and thickest nerve in the body. It is formed from the union of 5 nerve roots (L4-S3) and travels down the back of the leg into the foot. Its purpose is to innervate the muscles, skin and other connective tissue down the …

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