Fig. 1From: Comparison of the French and CARDS classifications for lumbar degenerative spondylolisthesis: reliability and validityDiagram of the CARDS classification. a Type A, advanced disc space collapse at L4//5 without kyphosis; b Type B, disc height partially preserved with translation less than 5 mm; c Type C, disc height partially preserved with translation more than 5 mm; d Type D, kyphotic alignment at L4/5Back to article page