Research Article
Quadratus Lumborum Block versus Fascia Iliaca Compartment Block for Acetabular Fracture Surgery by Stoppa Method: A Double-Blind, Randomized, Noninferiority Trial
Figure 2
Lateral quadratus lumborum (QL) block anatomy. IO: internal oblique; EO: external oblique; N: needle; QL: quadratus lumborum; TA: transverse abdominis.