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. Author manuscript; available in PMC: 2006 Jun 14.
Published in final edited form as: Int J Gynaecol Obstet. 2006 Jan 25;92(3):234–241. doi: 10.1016/j.ijgo.2005.12.001

Figure 7.

Figure 7

Methodological steps to quantify levator ani muscle loss in a subject with a unilateral defect. A: Frontal view of the 3-D reconstruction model of levator ani was built. B: The pubic portion is separated from the iliococcygeal portion; here only the pubic portion is shown. C: The line of estimated fiber direction of the pubic portion was determined. Equally spaced cutting planes perpendicular to the fiber direction line were placed. D: The resulting cross-sections are shown. Cross-sectional areas were then calculated. Due to the defect on the right, muscle is not present at location 1; therefore, it is not shown.