Megan Roup, who's been the trainer to Dakota Johnson, Miranda Kerr, Molly Sims, Elsa Hosk and Whitney Port, has developed a series of exercises that can be done in under 10 minutes. (Photo: Courtesy ...

Train smarter, not longer.

This 10-minute full-body workout after 50 targets every major muscle group using five compound exercises.

If you’re looking for a way to combine cardio with strength training, then hop on an elliptical. “Ellipticals are a great all-in-one machine,” says Corey Goldman, a physical therapist with ...