In Vogue's April issue, we celebrate the knockout bodies of six of our favorite models, who, with their hard-charging and dynamic workouts, give new meaning to the phrase “Strong is the new skinny.“ See what happens in today's fitness video when they show us their best behind-the-scenes moves—from a slam dunk tennis serve to a flexibility-testing split. Video by Barbara Anastacio. Still haven’t subscribed to Vogue on YouTube? ►► CONNECT WITH VOGUE Web:
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