Back anatomy: Bones, nerves, and conditions. Medically reviewed by Kevin Martinez, M.D. — Written by Beth Sissons — Updated on February 15, ... Anatomy of the spine – upper back, lower back ...

A pinched nerve in your lower back may appear out of nowhere or result from a traumatic injury, such as a fall. You’re more likely to experience symptoms if you’re between ages 30 and 50 years .

A pinched nerve in your back is most often caused by either disk herniation or spinal stenosis.. Herniated Disk: A herniated or “slipped” disk is when a portion of the disk bulges out, usually ...

Back pain comes in all varieties, but sciatica can be an easy one to identify. It’s pain that starts in your sciatic nerve, which runs all the way from your lower back into your feet.

The muscles of the lower back help stabilize, rotate, flex, and extend the spinal column, which is a bony tower of 24 vertebrae that gives the body structure and houses the spinal cord.

"A lot of times when the disc herniates, what it's then going to do is pinch on a nerve and that can cause pain in the lower back, which is where L4, L5, S1 is." Mr Kanani added: “A pulled back ...