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 back …

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 body, …

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 groups.

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 for everyday …

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 described as a deep …

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 abdominal …

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 a dull ache …