Published: Jun 17, 2011
Category: Spondylolisthesis
Spondylolisthesis occurs when a defect in the part of the spine causes the vertebra (bone) to slip to one side of the body. This will cause a gradual malformation of the lower spine and a narrowing of the vertebral canal. Symptoms of spondylolisthesis include back and leg pain.

There are 5 different types or spondylolisthesis grades with type/grade one being the least advanced and type/grade 5 being the most advanced. Spondylolisthesis is graded by measuring how much of the vertebral body has...