Fig. 1From: Effects of quadratus lumborum block on perioperative multimodal analgesia and postoperative outcomes in patients undergoing radical prostatectomyDiagram of ultrasound-guided quadratus lumborum block. Note: QL Quadratus lumbar muscle, QLB quadratus lumborum block, PM psoas muscle, ES erector spinae. The arrow tip indicates the drug injection pointBack to article page