The receiving partner lies on their back. Sex vedio The penetrating partner then holds the receiving partner tightly around each instep or ankle and lies on the receiving partner full-length. Sex manuals have a long history. It is commonly associated with heterosexual sexual activity, but is also used by same-sex couples. In this position, the participants face each other. There are numerous sex positions that participants may adopt in any of these types of sexual intercourse or acts; some authors have argued that the number of sex positions is essentially limitless. Continued… In this position, the participants face each other. With the receiving partner’s legs lifted towards the ceiling and resting against the penetrating partner, this is sometimes called the butterfly position. There are numerous sex positions that participants may adopt in any of these types of sexual intercourse or acts; some authors have argued that the number of sex positions is essentially limitless. The receiving partner crosses their feet behind their head (or at least puts their feet next to their ears), while lying on their back.