Related Experiment Video
Updated: Feb 9, 2026

Novel Mini-open Transforaminal Lumbar Interbody Fusion
Published on: June 6, 2025
[Paravertebral block of the lumbar plexus. Variations of the original technic]
S Bonarelli1, A Maioli, G Altimari
1I Servizio Anestesia Rianimazione, USL n. 27, Bologna Ovest.
Abstract:
After studying a hundred or so abdominal CT scans carried out at L5 level and having verified that the interfascial compartment between the quadrate muscle of the lumbi and the psoas muscle is relatively fixed (1.8-2.3 cm), it is proposed to utilise this datum (introduction of the 2 cm) needle after contact with the transverse apophysis of L5) to identify the psoas compartment which contains most of the nerves making up the lumbar plexus. Study of the series and results obtained confirm the value and simplicity of the proposed technique.
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