Figure 1: (a) Sonoanatomy of lumbar paravertebral area (b) Needle tip in approximation with lumbar nerve root (c) LA injection [light blue zone] after confirmation with neurostimulation (d) Entire volume injection of LA, with Lnr [lumbar nerve root] engulfed by the LA
![Figure 1: (a) Sonoanatomy of lumbar paravertebral area (b) Needle tip in approximation with lumbar nerve root (c) LA injection [light blue zone] after confirmation with neurostimulation (d) Entire volume injection of LA, with Lnr [lumbar nerve root] engulfed by the LA](articles/2023/17/2/images/SaudiJAnaesth_2023_17_2_147_371450_f1.jpg)