Dimple of Venus Is Associated with the Increased Pelvic Incidence Angle and More Sagittally Oriented Facet Joint

What is it about?

We aimed to investigate whether the dimple of Venus affects the anatomy of spinopelvic junction. Dimples are pits formed by a muscle defect. Dimple of venus is the two symmetrical fossae at the lower back. Pelvic incidence angle and facet joint angle are the two biomechanically assessments that can be radiologically measured at the spinopelvic junction. We measured the angles radiologically. Previous discussions on the dimple of Venus were often associated with beauty and sexuality. This is the first study that asked the question if the dimple of Venus affects the spinopelvic junction anatomy or not. We found the dimple of Venus on physical examination is associated with increased pelvic incidence angle and more sagittally oriented facet joint angle The changes may have developed due to the muscle defect.

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Why is it important?

These biomechanical assessments are important for the development of rigidity at spinopelvic junction and periprosthetic hip dislocation. Some hip surgeons decide the surgical approach according to the pelvic incidence angle and spinopelvic rigidity. The findings of current study may help physicians to reduce the need for serial radiological examinations in the evaluation of spinopelvic anatomy.

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