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.
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.