Back dimples, or dimples of Venus, can be a genetic trait. A single sacral dimple can occur with some medical conditions affecting the spinal cord. Share on Pinterest Back dimples are indentations on ...
A sacral dimple is a small, usually shallow indentation in the small of the back, just above or within the crease of the buttocks. Sacral dimples are harmless and do not need any treatment. About 3 to ...