Over the course of time, the spine will go through degenerative changes that are the result of the natural aging process and normal wear and tear. These degenerative changes affect the normal function of the [...]
Sequestered disc herniation means that the jelly (nucleus) has pushed through the PLL and is a free fragment in the canal, no longer connected to the disc it came from.
Scoliosis is a curve in the front to back plane (coronal plane) of greater than 10 degrees. This curve can be idiopathic (an unknown cause commonly seen in adolescents), degenerative (caused by typical disc disease [...]
Sciatica is a term for nerve pain down the back of the leg from the sciatic nerve but is commonly used for any type of leg pain. Buttocks pain is normally sciatic pain.
Scheuermann's disease is a deformity in the thoracic spine in children. Patients with Scheuermann's disease ( also referred to as juvenile kyphosis) have an increased kyphosis in the thoracic spine. What this means, is that [...]
Sacroiliac syndrome (SI pain, SI dysfunction) - The sacroiliac joints are the paired joints between the sacrum (the triangular bone that the spine rests on) and the paired ilium (the sides of the pelvis)- hence [...]
The facet joints within the spine are often a major source of back pain for many back pain sufferers. One treatment option is a facet rhizotomy. The goal of a rhizotomy is to provide back [...]
By now you understand the anatomy of the disc. You know that the disc is avascular- meaning it has no blood supply. No blood supply means that tears in the disc can’t heal. A disc [...]
Radiculopathy is inflammation of a single nerve root in the spinal canal normally from compression from a herniated disc.
Pseudarthrosis is a non-union of two bones. In essence, it is a fracture that does not unite with nearby bone. During spinal surgery using fusion, the purpose of the tools and instruments used (such as [...]