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Drop Two Sizes with This High-Intensity Workout. Here's something that may be hard to believe: Just because the scale is dipping doesn't mean your fitness routine is working.
If you're logging hours and hours on the treadmill, you've likely seen the numbers on the scale decrease, but you may not be losing body fat. In fact, a 2011 review in the Journal of Obesity found that the effect of regular aerobic exercise on body fat is negligible. Instead, shorter, high-intensity workouts—some that don't even include traditional cardio—have been shown to be more effective at reducing fat than any other type of exercise. These workouts have also been shown to significantly increase your fitness level, lower insulin resistance, and improve glucose tolerance. Photo of A49541 by Maria11_29. Most favorited all-time.
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