Fig. 3From: Is lumbar facet joint tropism developmental or secondary to degeneration? An international, large-scale multicenter study by the AOSpine Asia Pacific Research Collaboration ConsortiumPercent prevalence of facet joint tropism of the lumbar spine in patients with degenerative spondylolisthesis of a) L3–L4, b) L4–L5, and c) L5–S1. * Note that the red bar indicates the level of spondylolisthesisBack to article page