Created by Shaun T., it includes 10 conditioning workouts that are about 30 to 60 minutes each, and you do them six days per week.
You don't have to be in "extreme" shape to try this program according to Beachbody (the distributor of the workout), but fair warning: Insanity is a challenging program. Created by Shaun T., it includes 10 conditioning workouts that are about 30 to 60 minutes each, and you do them six days per week.