The Insanity workout is an advanced exercise program. It involves bodyweight exercises and high-intensity interval training. Insanity workouts are performed 20 to 60 minutes at a time, 6 days a week ...
I was channel-surfing early one morning when images of sculpted bodies working out together caught my attention. It wasn’t the first time I had seen this Insanity infomercial, but it was the first ...
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