Summary: Today, Alex and Jonathan discuss the role of the quadratus lumborum, a deep back muscle, in the body. What are the issues that can arise from a tight quadratus? How does a tight quadratus affect other muscles in the body, your everyday life, and activities such as sports and playing a musical instrument? What is the relationship of being right- or left-handed to the tightness of your QL? How do you release the QL and get it working optimally?
