Twyla Tharp: I do weight training, and have for quite a while, and I’m much stronger than most women. Consequently, when I work with men, or when I’m partnered by men, I can do things no other women can do. Just in terms of counterbalances and how I support myself against him. And we can actually go into kinds of movement that haven’t been available before, simply because I’ve strengthened myself as a woman, not because I’ve weakened him.