What is retro-spondylolisthesis of the spine?

A backward spinal sl. Your spine vertebra don't line up front back and one has slipped back this is a different condition than the commonly treated anterior slipping they have different treatment algorithms and prognosis general part of segmental degeneration a levels higher than l3.
An x-ray finding of . Instability in the spine due to disc degeneration that may or may not cause any symptoms.