The lumbar spine rests upon the sacrum. The place where they meet ... Understanding the basic anatomy of the five lumbar bones that make up your low back can help you get the right treatment ...

Medically reviewed by Brigid Dwyer, MD The lumbosacral joint, also called L5-S1, is a term used to describe a part of the ...

Low back pain is one of the most common reasons patients see primary care doctors. To understand this condition, it’s ...