Definition: Anatomically part of your pelvis (the ischial tuberosity, to be exact), the sit bones are quite literally the bones under the flesh of the butt that you sit on.
Also Known As: Sitting Bones, Sits Bones, Sitz Bones
By Ann Pizer
Updated August 05, 2012
Sit BonesBy D.renard, svg by MichaelFrey from Wikimedia Commons
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