The quadratus lumborum sits on either side your lower back and is a tough muscle to mobilize. It can be a nagging cause of back pain when it’s stiff. I’ve found that this technique is a solid way to stretch it. Give it a shot and let me know how it goes!

A video posted by @WillMurtagh_DPT on X (formerly Twitter) (January 30, 2024 ・ 技術 ・ 0:07). Watch and download it on XCLYP.