How to achieve a deep piriformis stretch to eliminate back, hip, gluteal, and leg pain

1. Piriformis muscle stretches while lying down

A) Lying stretch

Lie on your back, place one hand on your knee and the other on your heel of the same leg.
Gently lift your knee towards your shoulder and cross your calf over your opposite shoulder.
Hold for 5 seconds, then release.
Repeat with the other leg. Gradually increase the duration up to 60 seconds.