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. Author manuscript; available in PMC: 2015 Nov 1.
Published in final edited form as: J Manipulative Physiol Ther. 2014 Nov 1;37(9):678–687. doi: 10.1016/j.jmpt.2014.10.003

Figure 2.

Figure 2

Left: illustrates an isthmic spondylolisthesis at L5 (Meyerding grade 2, i.e. between 25% and 50% anterior translation across the sacral plateau) and a degenerative spondylolisthesis at L4 (Meyerding grade 1, i.e. less than 25% anterior translation across the body of L5). Right: demonstrates sacral slope measurement using Catella 5.0 PACS digital software.