Our work with elite athletes serves as the proving grounds for our methods. Most people don’t play professional sports. But if our methods help athletes at the highest levels, they can work for anyone.
Sounds like it could be tight hips/psoas. Especially interior.
Try things like the frog stretch. If you have the jump bands, I love where you put it around one knee, behind your lower back, and then around your other knee. Put your feet against the wall, get your butt as close to the wall as possible. Then while keeping your feet flat and straight on the wall, push your knees out with your elbows.