The quadratus lumborum muscle, informally called the QL, is a paired muscle of the left and right posterior abdominal wall. It is the deepest abdominal muscle, and commonly referred to as a …

The QL muscle is flattened and has a quadrangular shape. The QL muscle is an integral part of the thoracolumbar fascia, a myofascial system that covers the posterior area of the human …

Nov 21, 2025 · Learn what causes quadratus lumborum (aka QL) muscle pain and tightness and how to prevent and relieve it with stretches and exercises for the QL and surrounding muscle …

Aug 24, 2025 · The Quadratus Lumborum, often referred to as the QL, is a muscle located deep within the lower back that contributes significantly to core stability. Its functions are important …

Jan 1, 1970 · Symptoms of quadratus lumborum pain include tightness and discomfort in the lower back region. The type and severity of the pain may vary. Lower back pain is often …

The Quadratus Lumborum (QL) can be a real pain in the butt (and back) but with the right exercises and self-treatment, you can be pain-free - long term.

Jun 25, 2025 · Suffer from lower back tightness or pain? Check out the 15 best ways to perform a Quadratus Lumborum (QL) stretch.

Oct 30, 2023 · The quadratus lumborum muscle is a muscle of the posterior abdominal wall lying deep inside the abdomen and dorsal to the iliopsoas. It is the deepest muscle of the posterior …

May 15, 2025 · Learn the best QL stretches and exercises to relieve back and hip pain, improve running form, and enhance stability. Perfect for runners seeking pain-free strides.

Jul 20, 2025 · Quadratus Lumborum (QL) pain affects many individuals, causing discomfort in the lower back due to poor posture, prolonged sitting, and improper lifting. Initial symptoms include …