20 Minute Workouts Workout Programs > 20 Minute Workouts Cult of Mac Six-Pack Abs WorkoutAbsDifficulty Beginner Equipment Bodyweight Duration 15 minutes Back At ItBackDifficulty Intermediate Equipment Gym Duration 20 minutes Search Search for: All Workouts TargetLegs Chest Back Arms Abs Full-Body Cardio DifficultyBeginner Intermediate Advanced EquipmentOutdoors Gym Bodyweight Dumbbells Cable Machine Kettlebells Splits1 Day 2 Day Splits 3 Day Splits 5 Day Splits Duration10 Minute Workouts 20 Minute Workouts 30 Minute Workouts 40 Minute Workouts 60 Minute Workouts