
Quadratus Lumborum
Quadratus Lumborum Stretch ‘QL’ is short for Quadratus Lumborum – a deep muscle of the low-back. QL spans from the top of the hips to the last rib, connecting the hips to the spine. QL is often a source of low-back pain. QL provides lateral core stability and it often both tight and weak. “Desk […]…