The authors have nothing to report. Video S1: Transverse-plane ultrasound-guided thoracolumbar fascia intervention at the L3 level. Under aseptic conditions, a 22-gauge needle was advanced into the fascial plane beneath the posterior layer of the TLF for targeted block and hydrodissection. lESM, left erector spinae muscle; rESM, right erector spinae muscle; SP, spinous process of L3 vertebra; TLF, thoracolumbar fascia. The arrow indicates spread of the injectate. Please note: The publisher is not responsible for the content or functionality of any supporting information supplied by the authors. Any queries (other than missing content) should be directed to the corresponding author for the article.
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Şahin et al. (2026) studied this question.
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