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This No-Equipment Workout Will Ignite Parts of Your Body You Didn't Know Existed
fanntabulous fanntabulous 5 years
high intensity interval workouts (beachbody routines like Turbo Fire, Insanity, Power 90) are very effective!  I've learned that you can burn as much if not more in a 20-40 minute interval session (circuit) than spending 1 hour or so in the gym or treadmill, etc.
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