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

These bones help provide mobility and stability to your back and spinal ... spine rests upon the sacrum. The place where they meet is called the lumbosacral joint, or L5-S1. The muscles in your ...

Back pain is the most common ... Beginning at the S1 level, an introducer with stylet is inserted onto the bone of the posterior sacrum. The final position of the introducer is 8–10 mm from ...

There are 5 lumbar vertebrae in the lumbar region. There are 5 sacral vertebrae, which are fused as one bone and known as the sacrum, in the sacral region. There are 3 to 5 coccygeal vertebrae, which ...