There are 5 pairs of lumbar spinal nerves that progressively increase in size from L1 to L5. These nerves exit the intervertebral foramina below the corresponding vertebra.

The lumbar nerves are the five pairs of spinal nerves emerging from the lumbar vertebrae. They are divided into posterior and anterior divisions.

Lumbar nerves refer to the network of neurovascular structures that supply the lumbar spine, consisting of five pairs of spinal nerves with sensory and motor roots, and receiving blood primarily fr...

The lumbar nerves are mixed nerves as each is formed by the union of a posterior nerve root (sensory nerve fibers) and an anterior nerve root (motor nerve fibers).

The lumbar plexus is a network of nerves that arises from the anterior rami of spinal nerves L1-L4, along with a contribution from the anterior ramus of spinal nerve T12.