Do 7-Minute Workouts Work?

Life can often get in the way of a consistent exercise schedule. Is the classic 7-minute workout a legitimate substitute for gym time?
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I tried daily 7-minute workouts after seeing they're as effective as the gym

Want to know the most frequently searched-for workouts right now? It's all about short, sharp, effective sessions that don't require hours of time. Specifically, 7-minute workouts are trending. And it ...