Seriously. Mr. T shows zero mercy. If the program is 50 minutes long, he'll give you maybe 2 minutes total to rest, wipe up the pools of sweat under your feet, and sip some water. The rest of the time ...

The name alone is a challenge—a dare. You’d have to be insane to attempt this workout. Of course, that’s a big part of the appeal. If the exercise is “extreme” or “crazy,” you assume the body benefits ...

More than three years ago, teachers Jerry Georgiana and Heather Mackie began implementing the “Insanity” program into the Crossroads Middle (Gateway School) physical education curriculum, and the ...

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 ...