Fig. 2From: Comparison of the French and CARDS classifications for lumbar degenerative spondylolisthesis: reliability and validityDiagram of the French classification. a Type 1, SVA (3.4 cm) < 4 cm, SL (16°) > 5°, LL (52°) > PI (55°)-10°; b Type 2, SVA (3.7 cm) < 4 cm, SL (5°) = 5°, LL (38°) > PI (44°)-10°; c Type 3, SVA (3.6 cm) < 4 cm, LL (41°) < PI (56°)-10°, PT (23°) < 25°; d Type 4, SVA (3.8 cm) < 4 cm, LL (38°) < PI (58°)-10°, PT (35°) > 25°; e Type 5, SVA (10.6 cm) > 4 cmBack to article page