Cadaveric Evaluation of Different Approaches for Quadratus Lumborum Blocks

<div>(a) Ultrasound image demonstrating the needle trajectory and tip location of the three different approaches to the ultrasound-guided QL block. (b) Ultrasound image of the lumbar interfascial triangle (LIFT) (ES, erector spinae; LD, latissimus dorsi; QL, quadratus lumborum; EO, external oblique muscle; IO, internal oblique muscle; TA, transversus abdominis muscle; PM, psoas major; PPS, posterior pararenal space).</div>

Pain Research and Management

fig2

Figure 2

Figure 2: Cadaveric Evaluation of Different Approaches for Quadratus Lumborum Blocks 