So, you have pain in your butt - it must be sciatica, right? So why aren't those exercises you found online working? Well, "sciatica" has become a catch all term for pain in the buttock, but true sciatica is irritation of the sciatic nerve, and typically presents as pain or paresthesia from the buttock shooting down the back of the thigh and leg, along the path of the sciatic nerve. There are several other possible causes for your "pain in the butt," which include sacroiliac joint irritation, lumbar joint irritation, lumbar disc pathology,