Bones called vertebrae make up your spine. Muscles and ligaments connect your vertebrae to each other. Between the vertebrae lie soft, flat discs that provide cushioning and support. Each vertebra ...

Most of the time, low back pain is caused by strained back muscles. But in some cases, problems with your spine can lead to pain in your lower back. Examples of this include: Bulging or ruptured disks ...

The spinal cord is a long bundle of nerves and cells that extends from the lower portion of the brain to the lower back. Spinal cord functions include carrying signals between the brain and the rest ...