Struggling to get a good side hip stretch? The problem might be your alignment, not just your muscles. Habits like crossing your legs can actually push your hip joint out of its socket, leading to groin pain and back issues. In this post, Dr. Justin Lin explains how to "pack" your hip back into place using the Fencer exercise. Learn why centering your hip is the secret to lateral flexibility and watch our video for the step-by-step fix.