Spondylolisthesis is a term denoting anterolisthesis of a vertebra relative to the segment below, typically due to spondylolysis (pars interarticularis defects). Spondylolisthesis is the forward displacement of a vertebra, especially the fifth lumbar vertebra, most commonly occurring after a fracture. Backward displacement is. The word spondylolisthesis is derived from the Greek words spondylo, meaning spine, and listhesis, meaning to slip or slide. Spondylolisthesis is a. Learn more about spondylolisthesis treatments, the types of surgeries to treat spondylolisthesis, its symptoms and more from the Cleveland Clinic. Spondylolysis and isthmic spondylolisthesis: impact of vertebral hypoplasia on the use of the Meyerding classification This in-depth discussion about spondylolisthesis explains what causes a vertebra to slip and what the different grades (eg, grade 1 spondylolisthesis) look like. A commonly adopted method of grading spondylolisthesis is the Meyerding classification, based on the ratio of [overhanging part of the superior vertebral body] to. Degenerative spondylolisthesis is relatively rare at other levels of the spine, but may occur at two levels or even three levels simultaneously. The SpineUniverse Spondylolisthesis Center provides important information about the causes and treatments of this disorder. Learn about non-surgical and. This grading scale helps you and your doctor understand the severity of your spondylolisthesis and know what actions to take next.