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 Quadratus Lumborum (QL) originates from the iliac crest and inserts on the transverse process of lumbar one through five and the lower part of the twelfth rib. The QL muscle is …

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 …

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 …

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 …

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

The quadratus lumborum, commonly called the QL muscle, is a common cause pain in the lower back and hips, especially off to one side. What causes this is tightness and weakness.

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.

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 …

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.