The top of the nerve is rooted in spinal nerves L2, L3, and L4. These three vertebrae reside near the bottom of your lumbar plexus, a bundle of nerves located in your lower spine.

The hypogastric plexus is made up of various nerves positioned at your fifth lumbar and first sacral vertebrae in your spine. It is found on the lower part of your abdomen in front of the pelvis.

The hip flexors and knee extensors are supplied by the L2-L3-L4 roots. After the lumbosacral roots leave the spinal cord, they course through the pelvis and intermix to form the lumbar and sacral ...

The distance from the posterior superior iliac spine (PSIS) to the intercristal line can be an accurate predictor of lumbar plexus depth in children, according to a study published in Anesthesia & ...