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. 2019 Oct 17;10(7):863–870. doi: 10.1177/2192568219882350

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© The Author(s) 2019

This article is distributed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivs 4.0 License (https://creativecommons.org/licenses/by-nc-nd/4.0/) which permits non-commercial use, reproduction and distribution of the work as published without adaptation or alteration, without further permission provided the original work is attributed as specified on the SAGE and Open Access pages (https://us.sagepub.com/en-us/nam/open-access-at-sage).

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Figure 1. — Left: Classic spino-pelvic parameters included on this analysis: pelvic incidence (PI), pelvic tilt (PT), lumbar lordosis (LL; L1-S1), thoracic kyphosis (T4-T12), sagittal vertical axis (SVA), and T1 pelvic angle (TPA). Right: Lumbar and thoracic curvatures analyzed by segment: L1-S1 = LL fused + LL Unfused; T4-T12 = TK Fused + TK unfused.