Piriformis syndrome is a rare neuromuscular condition where the piriformis muscle, which is a small muscle located in the buttocks near the top of the hip joint compresses the sciatic nerve.

"It's a muscle that kind of clamps down on my sciatic nerve, and it was shooting down my leg," the actress said during an appearance on 'The Drew Barrymore Show' Andie MacDowell is opening up ...

Back pain can be caused or worsened by ligament or muscle sprains that often result from poor posture, lack of exercise, sudden awkward movements, improper lifting, and more. The piriformis is one ...