Medically reviewed by Jennifer Steinhoff, MDThe lumbar spine includes the five vertebrae in your lower back numbered L1 to L5 ...

The spine (aka backbone) is a linked column of bones running from the head down to the lower back. Bone segments form the column. One bone segment is a vertebra, and multiple bone segments are ...

The lumbosacral joint, also called L5-S1, is a term used to describe a part of the spine. L5-S1 is the exact spot where the lumbar spine ends and the sacral spine begins. The lumbosacral joint ...

An curved arrow pointing right. Drage Josevski had a rare cancer in his skull and spine. Doctors were recently able to remove the cancerous bones and replace them with 3D printed vertebrae.