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. It’s ...
A combination of two nerve blocks reduced immediate postsurgery opioid use in total hip arthroplasty (THA) patients by about 35% compared with use of a transmuscular quadratus lumborum block (T-QLB) ...