WEBGENERAL LOWER EXTREMITY STRETCHES . Home Exercises. HAMSTRING STRETCH WITH TOWEL. PIRIFORMIS STRETCH. While lying on your back with both knee bent, cross your afected leg on the other knee. Next, hold your unafected thigh and pull it up towards your chest until a stretch is felt in the buttock. Repeat 3 Times. Complete 1 Set. Hold 30 Seconds.