What can you expect from a workout dubbed Insanity? Do you really have to be nuts to try "the hardest workout fitness program ever put to DVD," as its website describes it? Probably not, but you have ...

Do a squat jump. Now do as many as you can in a minute. Now do that same thing again, but for burpees, high knees, and a lot of other (honestly kinda painful) exercise moves. It's insanity. No ...

THE GIST: Ten bootcamp-style workout DVDs. And you won't need a home gym - this cardio-focused programme promises to transform you into a lean machine in just 60 days, at home, without any equipment.