Why do they do it? And, for people with prostates, it can allow for stimulation of the oh-so-sensitive.
This resource is designed to increase your knowledge and empower you with your health options, not to diagnose, treat, cure or prevent any disease.
Here, the person receiving penetration bends over, either by bending at the waist or by getting on their hands and knees.
So if anal sex goes mainstream, be nice to the vanilla holdouts.