What Is Spinal Fusion?
From WebMD
Spinal fusion is surgery to join two or more vertebrae into one single structure. The goal is to stop movement between the two bones and prevent back pain. Once they’re fused, they no longer move like they used to. This keeps you from stretching nearby nerves, ligaments, and muscles that may have caused discomfort.
Spinal fusion involves techniques designed to mimic the normal healing process of broken bones. During spinal fusion, your surgeon places bone or a bonelike material within the space between two spinal vertebrae. Metal plates, screws and rods may be used to hold the vertebrae together, so they can heal into one solid unit. Read more