Free Back Surgery Guide!
To understand what your options are for spine surgery, download our article
"The Patients Guide to Spinal Fusions, Decompressions and Failed Spine Surgery"
Fill out the form now for a head start.
A part of the spine that is also part of the pelvis. It articulates with the ilia at the sacroiliac joints and articulates with the lumbar spine at the lumbosacral joint. The sacrum consists of five fused vertebrae that have no intervertebral disks.