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No time for a lengthy workout? No problem. Celeb trainers share 10 tips for toning up and slimming down (11 Photos)
Shaun Dreisbach on Jan 10, 2011 at 2:06PM
1 chimeFitness experts say interval workouts, in which you alternate a short bout of hard-as-you-can-push-it exercise with several “recovery” minutes at a more moderate pace, are among the most effective weight-loss methods on the planet. “They burn more calories than a longer, same-paced workout would because your heart rate stays elevated even when you drop the intensity back down. Plus, constantly revving up and then putting on the brakes a bit really challenges your body and expends more energy,” explains Pete McCall, a San Diego personal trainer and exercise physiologist with the American Council on Exercise. (And there’s a lot of research backing that!) Bonus: Working out this way enables you to accomplish more in less time.