15-Minute Cardio HIIT 3.0 Workout

No equipment needed. Tip: complete Series 1.0 & 2.0 for 4 weeks each prior to Series 3.0. Workout designed to burn mega-calories & improve fitness+muscle tone through high intensity interval training. All fitness levels. Schedule: Mon: 15-min Full Body Burn 3.0, Tues: 15-min Cardio HIIT 3.0, Wed: 15-min Full Body Blast 3.0, Thurs: 15-min Core Challenge 3.0, Fri: 15-min Stretch & Recover 3.0