What is one of the best 30 day workouts for women? If you are in shape already and looking for a challenge then the Insanity Asylum workout is what you need to do. Women will love this 30 day workout because most of the workouts are under 45 minutes and work on your entire body. Most of the moves work major muscle groups at the same time. No need to do separate cardio or resistance moves because you’ll be doing it all at once. Pick the Insanity Asylum as your 30 day workout for women.