This compression can occur anywhere along the spine, but it usually occurs in the lower, or lumbar, region. A pinched nerve can cause pain, tingling, or numbness in its corresponding dermatome.

A dermatome is an area of skin supplied by a single spinal nerve. There are 31 pairs of spinal nerves, forming nerve roots that branch from your spinal cord, but only 30 dermatomes. Your spinal ...

At the lower end, the 11 lumbar, sacral, and coccygeal dermatomes are often grouped together as the lower extremity dermatomes. A spinal nerve root is a bundle of nerve fibers that branches off ...