A tight piriformis muscle can be a common culprit of lower back, knee and ankle pain.
The piriformis is used to help you walk, and news flash, we do that every day. A repeatedly tight piriformis can actually become what's known as piriformis syndrome. Regardless if you are an athlete, work at a desk, or are king/queen of the couch, you should take note of this Prone Glute Stretch from our Cool Down Library. It's a game changer! Aim for 3 sets of 15 seconds on each side.