Dancers Today Are Taking Cross-Training to Extremes. But What's the Artistic Benefit?

New York City Ballet principal Sara Mearns wasn’t sure she was strong enough. A ballerina who has danced many demanding full-length and contemporary roles, she was about to push herself physically more than she thought was possible. “I said, ‘I can’t. My body won’t,’ ” she says. “He told me, ‘Yes, it will.’ ” She […]