LKnative - Quadratus lumborum block

2 – Anatomical relationship of the subcostal, ilioinguinal and hypogastric nerves to the QL muscle

The subcostal nerve (T12), ilioinguinal nerve (L1) and iliohypogastric nerve (L1) run across the anterior side of the quadratus lumborum (QL) muscle between the QL muscle and the transversalis fascia (TF).

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Magenta arrow = subcostal nerve; green arrow = ilioinguinal nerve; blue arrow = iliohypogastric nerve; QL = quadratus lumborum muscle; L4 = vertebral body of L4.