Pelvic Cavity - LO 1
1. Review the lumbar plexus and associated branches, and understand what areas these nerves supply.
1. Review the lumbar plexus and associated branches, and understand what areas these nerves supply.
The lumbar plexus is a nervous plexus of the peripheral nervous system supplied by the VPR of spinal nerves L1-L4. The psoas major m. is a very important landmark for identifying lumbar plexus nn. as they enter the abdominal retroperitoneum lateral to (iliohypogastric, ilio-inguinal, lateral femoral cutaneous, femoral), through (genitofemoral), or posterior (obturator, lumbosacral trunk) the psoas.