LKnative - Quadratus lumborum block
4 – The transversalis fascia
The transversalis fascia (TF) covers the deep surface of the transverse abdominis muscle (TAM), the quadratus lumborum muscle QLM) and the psoas major muscle (PMM).
Anteriorly it covers the deep surface of the rectus abdominis muscle; it is covered by the peritoneum
The layers of the abdominal wall from the outside are: external oblique muscle (EOM), internal oblique muscle (IOM) and TAM
The latissimus dorsi muscle (LDM) and the erector spinae muscle (ESM) are superficial to the QL muscle
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