Spondylolisthesis
A spondylolisthesis involves a permanent misalignment of one or more regions of the spine. The root cause of all spondylolisthesis is instability.
Disc Injury
A disc injury can cause back pain or it can cause leg pain. A disc injury can cause brief pain or it can cause constant pain. A disc injury can improve with [fill-in-the-black] treatment or it may worsen with [fill-in-the-black] treatment.