Naked gymnastics, sexercise...Tis known by many names, but it's a great workout routine.
Also, a sequel? Nice.
Still, this sports seems like a great way for couples to form. I mean, after repeated practice sessions together as well as performing together, their trust deepens and eventually it might lead to some budding romance, no?
Unless it's one of those keeping private and professional (sports?) life separate, then that might make for an interesting turn.