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Copyright ©The Author(s) 2021.
World J Orthop. Dec 18, 2021; 12(12): 970-982
Published online Dec 18, 2021. doi: 10.5312/wjo.v12.i12.970
Figure 5
Figure 5 Lateral lumbosacral spine radiographs. A: Pre op standing; B: Sitting compared to; C: Post op standing; D: Sitting showing the change in sacral slope < 10 degrees with reduced sacral slope indicating posterior pelvic tilt and stuck sitting pattern in ankylosing spondylitis (sacral slope < 30 degrees on sitting and standing typical of stuck sitting pattern). SS: Sacral slope.