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  Indian J Med Microbiol
 

Figure 2: X-ray lumbosacral spine lateral view showing pelvic parameters including pelvic tilt, pelvic incidence, and sacral slope. (A) The pelvic tilt is defined as the angle between a vertical line originating at the center of the bicoxofemoral axis and a line drawn between the same point and the middle of the superior end plate of S1. (B) The pelvic incidence is defined as the angle between the line perpendicular to the sacral plate and the line connecting the midpoint of the sacral plate to the bicoxofemoral axis. (C) The sacral slope is the angle between the S1 superior end plate and a horizontal line

Figure 2: X-ray lumbosacral spine lateral view showing pelvic parameters including pelvic tilt, pelvic incidence, and sacral slope. (A) The pelvic tilt is defined as the angle between a vertical line originating at the center of the bicoxofemoral axis and a line drawn between the same point and the middle of the superior end plate of S1. (B) The pelvic incidence is defined as the angle between the line perpendicular to the sacral plate and the line connecting the midpoint of the sacral plate to the bicoxofemoral axis. (C) The sacral slope is the angle between the S1 superior end plate and a horizontal line