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VIDEO:Fitness

P90X and High Intensity Interval Training Fitness Fads

Description:Which programs are worth trying? High Intensity Interval Training, or HIIT, and the P90X Workout both deliver results. No quick fixes here, but both effectively burn calories, one for up to 24 hours after training. (3:34)

Source: InsidersHealthTV

Tags: P90X and High Intensity Interval Training Fads , fitness fads , fitness regimes , fitness workouts

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