Piriformis SMFR Self Myofascial Release Corrective
http://AskTheTrainer.com/leg-stretches.htmlStrength & Conditioning Specialist / Certified Personal TrainerPerformance Enhancement SpecialistMike Behnken, MS, NASM-CPT-PES, CSCSA tight piriformis can cause knee problems as well as piriformis syndrome where the tight piriformi