which three nerves course over the surface of the quadratus lumborum muscle?
The transversalis fascia plane block, or TFP block, is a truncal block that targets the L1 nerve branches, namely the ilioinguinal and iliohypogastric nerves.The ilioinguinal and iliohypogastric nerves emerge from the lateral border of psoas major muscle, inferior to the 12th rib, and course over the anterior surface of the quadratus lumborum muscle ...
Local anesthetic injected between the transversus abdominis muscle and its deep investing transversalis fascia will spread over the inner surface of the quadratus lumborum muscle and block the proximal portions of the T12 and L1 nerves.