Pain which starts in the lower back and gluteus area and descends towards one or both legs. The sciatic nervei s like a big cable which unites almost all the nerves that come from the lumbar and sacral area and go towards the leg. In the pelvic area this big “cable” passes through the obturator foramen and close behind the piriformis muscle. This muscle tends to contract if there are pelvic lesions or postural problems, and then it presses on the sciatic nerve. There are other, more rare causes of compression of the sciatic nerve. The doctor has to distinguish between sciatica and herniated disc, and has to understand the cause of the irritation. Treatment may include Manual Medicine, Osteopathy, IRT, Feldenkrais, but also Neuraltherapy, anti-inflammatory and muscle relaxant drugs.