What Is a Spinal X-Ray ... you stretch or bend. An X-ray takes about 5 minutes to complete. But you may be in the room for longer, depending on how many images and views your doctor needs.

It is a plain X-ray of the lower back, specifically of the five lumbar vertebrae that make up the lower (lumbar) spine, the sacrum and coccyx - which are the back part of the pelvis and tail bones.

A lumbosacral spine X-ray, or lumbar spine X-ray, is an imaging test that helps your doctor view the anatomy of your lower back. The lumbar spine is made up of five vertebral bones. The sacrum is ...