The piriformis (Pir-ri-form-is) muscles is located deep in the back of the hip/ buttock area. It attaches from the sacrum to the upper part of the leg bone. It and 5 other muscles are responsible for external rotation of the hip (twisting the leg out to the side).   Fun facts about the piriformis muscle: It was named in 16th century … Continue reading Piriformis – Muscle of the Month (Oct)