Stretching the piriformis muscle can help relieve sciatica by reducing pressure on the sciatic nerve, which runs beneath or sometimes through the piriformis in the buttock. When the muscle becomes tight or inflamed, it can compress the nerve, causing pain, tingling, or numbness that radiates down the leg. Regular stretching helps relax the piriformis, improve blood flow, and restore mobility in the hip area, which can ease nerve irritation and reduce sciatic pain—especially when the source is pi