Quadratus lumborum muscle

Quadratus Lumborum - Why it Hurts and How to fix it - Physio Prescription

The quadratus lumborum (QL) is an important muscle of lumbar stability along with the psoas. The QL and psoas are also affected by the diaphragm as the three meet on the lumbar spine. The QL is also part of the Lateral Subsystem, along with the abductors and adductors of the hip. Its job is to keep the pelvis level, and so many people suffer back pain when this system isn’t working properly. NKT often finds the QL overworking and the psoas underworking, as well as the diaphragm overworking and t