psyn2

RICE & MICE: What a pain in the butt! Piriformis syndrome

Piriformis syndrome is one of the causes of sciatica, or irritation of the sciatic nerve. The piriformis is a deep muscle of the buttocks that lays beneath the gluteal muscles. It runs from the sacrum, the fused vertebrae at the bottom of the spine to the femur, or thigh bone. In most people, the sciatic nerve lays underneath the piriformis, but in up to 25 percent of people, the sciatic nerve will actually pass through the muscle. The function of the piriformis is external rotation or rotation of the leg out as well as assist in abduction, or bringing the …