The Best 30-Minute Boot Camp Workout

This intense circuit keeps your heart rate up, burns calories, and tones your whole body.

Credit: Josh Titus

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Slim down fast

by Beth Dreher

Burn fat and build muscle with this equipment-free cardio-and-strength circuit from Ken Weichert, master fitness trainer for the U.S. Army and creator of an exclusive boot camp class for Crunch Fitness clubs nationwide. With short-but-intense cardio intervals, full-body strength moves, and an extra dose of ab work, you'll slim down your entire body and tighten your tummy. Do this 10-minute circuit three times in a row for the best 30-minute workout of your life.

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