Medically reviewed by Jennifer Steinhoff, MD Key Takeaways The lumbar spine includes five vertebrae that help with mobility ...

Herniated discs in the lower (lumbar) spine most often result from avulsion (separation) of the tissue connection between the disc and spinal bone, rather than rupture of the disc itself. Herniated ...

Your backbone, or spine, is made up of 26 bones called vertebrae. In between them are soft discs filled with a jelly-like substance. These discs cushion the vertebrae and keep them in place. As you ...

The spinal discs are shock-absorbing cushions between the vertebrae. Vertebrae are the large bones of the spinal column. If the spinal column tears open and the discs protrude outward, they can press ...