A condition in which the piriformis muscle contracts or spasms and places pressure on the sciatic nerve, which passes through this muscles, causing pain in the buttocks and/or along the back of the leg and into the foot. These same symptoms can be found in normal causes of Siatica. This condition is most common among women, and strangely is thought to be common among both physically active athlectic individuals (such as bikers, runners and walkers) and those who's jobs or activities involve prolonged sitting. Also See: Sacroiliac Joint Dysfunction and Siatica
A clinical diagnosis based on complaints of pain and abnormal sensations in the buttocks region with extension into the hips and posterior thigh as would be seen in sciatica.
Whereby the piriformis muscle is implicated in the irritation of the sciatic nerve, as it passes through or underneath the muscle. Often accompanied by deep buttock pain, usually in the area of the sciatic notch. Occurs more commonly in females.