Spondylolisthesis is divided into five major types based on the location and cause of the condition.
This type of spondylolisthesis is caused by weakness of the bone, due to a disease, a tumor, or other diseases of the bone.
This type of spondylolisthesis is caused by a birth defect resulting in abnormal facet formation.
Spondylolisthesis of this type is caused by a defect in a part of the vertebra called the pars interarticularis.
Degenerative spondylolisthesis is due to arthritis causing misalignment of the spine.
This type of spondylolisthesis is caused by trauma to the vertebrae. A fracture of the pedicle, lamina, or facets can cause the vertebra to slip forward.