Research Article

The Sagittal Pelvic Thickness: A Determining Parameter for the Regulation of the Sagittal Spinopelvic Balance

Figure 4

Geometrical connection between sagittal pelvic thickness (SPT), pelvic incidence (PI), and pelvic radius (PR-S1). (a) The angles in a pelvic schema. (b) The angles on rectangular triangles used for the demonstration.
364068.fig.004