How to do a pyriformis stretch?

In this video is on hip stretch for piriformis and hip joint flexibility. It is a safe and effective hip stretch to improve the flexibility of the hip and surrounding hip muscles.  This hip stretch an help relieve low back pain, sciatica, pain in knees, patellar tendonitis, ITB syndrome, and some hip pain issues.   This is also a great stretch to improve flexibility of the IT band and prevent running related injuries like arthritis in the knee.  It's important to make this exercise part of you daily stretch routine.