Side lower back pain usually isn’t a “tight muscle” problem. The quadratus lumborum often hurts because it’s overworking to stabilize what the body isn’t controlling well. Common reasons the QL gets overloaded 👇 • Poor rib to pelvis connection • Weak or poorly coordinated deep core • Poor force transfer between upper and lower body • Hip or glute compensation That’s why stretching doesn’t fix it. This banded dead bug teaches proper rib stacking, core control, and takes stress off the QL. Why th