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. 2018 Mar 20;8(6):607–614. doi: 10.1177/2192568218759037

Figure 4.

Figure 4.

Percent of native L5-S1 ROM magnitude in FE loading direction with different fusion lengths (L2-S1, T10-S1, and T4-S1), compared among various fusion modalities. IS, iliac screw fixation; ALIF, anterior lumbar interbody fixation; FE, flexion-extension; ROM, range of motion.