I am planning on starting this 8-week, High Intensity Interval Training, program. Suppose to have some wonderous fat-burning effects. Just checking to see if any of you guys have completed or started this program. You think its effective? Worthwhile? Thanks alot guys.

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I've never heard of a HIIT per se, but interval trainning itself is great for you.

tried it once. insanely intense! reason why i only did it once lol.

interval training is excellant...my favorite workouts...