Watch 15-Minute HIIT 7.0 with Maggie Binkley Workout

High intensity interval training (HIIT) - with weights! Intensity (not impact!) is what this workout is all about. You'll slash calories and keep burning them all day after this total body challenge. TIP: follow Series 6.0 for 4+ weeks before beginning Series 7.0 and follow the weekly workout schedule of all 6 workouts for this Series.