Log in to access this workout Log In Not a member? Sign up Duration: 35 minutes Difficulty: 4 Body Focus: total Types: Cardio, Circuit, Low impact, Standing Equipment: Dumbbells, Optional Programs: Real Start Double Plus Great fun. Provided your definition of fun is 30 minutes of lactic leg pain and lungs bursting from cardio. That's fun...isn't it? Well, at least it's VERY effective. Enjoy.