Kathryn Boren is a ballerina with American Ballet Theatre in the midst of her fourth consecutive season at the Met. Boren supplements her ballet training and rehearsals with intense, ballet-centric workouts. She works with trainers from celebrity-favorite gym DOGPOUND to create exercises that push her body to its limit. Boren says she's gained more control of her body, making her a more free dancer. She's also a certified personal trainer and has begun helping her fellow dancers improve their fitness.