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 ...

If you're starting a workout program that calls itself "Insanity ® by Beachbody," you know it's going to be over the top. This is one of the most challenging fitness programs on the market. Insanity ...