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, …

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 …

Jun 2, 2017 · The quadratus lumborum (QL) is the deepest abdominal muscle. It’s located in your lower back on either side of the lumbar spine. It starts at your lowest rib and ends at the top of your pelvis....

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.

The QL muscle is designed to help stabilize the trunk and the pelvis. By doing loaded unilateral exercises in a standing position and balancing on one foot, you’re going to challenge trunk and pelvic …

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 …

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 …

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.

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 …

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