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. 2011 Nov 24;21(4):719–724. doi: 10.1007/s00586-011-2061-6

Fig. 3.

Fig. 3

The sacro-femoro-pubic angle is defined as the angle between the midpoint of the upper sacral endplate (by drawing the midpoint between lateral borders of L5–S1 facet joints), the centroid of one acetabulum and the upper midpoint of the pubic symphysis