Nerve — Diagram Back

A nerve diagram of the back is more than just an anatomical drawing; it is a diagnostic map. By understanding that a single dorsal ramus supplies the small muscles between your vertebrae, or that the sciatic nerve is formed from roots in the lower lumbar spine, you can begin to localize the source of pain.

Along the length of the spinal cord, 31 pairs of spinal nerves branch out through openings called intervertebral foramina (holes between the vertebrae). Each nerve is named for the level of the spine from which it exits: nerve diagram back