“You’ve done your variation, you run offstage, you have a moment to collect yourself, and you just go. If you were to give yourself time to think, ‘I have to do 32 fouettés now,’ I don’t think you’d go back out on stage.” Elizabeth Murphy, Lesley Rausch, and Laura Tisserand, principals at Pacific Northwest Ballet, explain how they do it, physically and mentally. (includes video)