The quadratus lumborum (QL) is arguably the most important muscle in your body because it stabilizes your hip. Weakened and imbalanced QLs can cause back pain. Every athlete, aging non-athlete and fitness professional working with the same would do well to understand how critical this muscle is in basic and athletic movement.

The QL is absolutely foundational for any movement you do where your weight is on one leg (running, walking, pistol squatting, etc.)

"I have purchased several of Sean's e-books and I have found them to be very useful in my own training. In this book, Sean discusses the importance of the QL muscles. Much of the information he discusses can be found nowhere else" Amazon Verified Purchase Review

Some experts say that as much as 65% of low back pain is quadratus lumborum related.

"Simple, to the point, and super effective. You could have a read a 500 + page textbook and walked away with less useful info concerning the QL than what's in this book." - Amazon Verified Purchase Review

Do you have quadratus lumborum problems? Do you feel tightness on one side of your low back that simply won't go away? Do you have trouble balancing on one leg?

"Great way to fix back pain

Great practical stretches well explained!! It was very helpful. It isn't very technical and focuses on how to correctly move." - Amazon Verified Purchase Review

This book delivers fast, easy to digest knowledge and fixes to quadratus lumborum imbalances using your natural movement for a healthier and balanced lower back.

BONUS - also get enhanced super stretches to increase low back flexibility.