This calorie-torching cardio and sculpting workout is one of our hardest ever, but Equinox Tabata instructor Raneir Pollard's amazing energy will inspire you to fight for it. Tabata is a form of HIIT (high intensity interval training) that alternates between 20 seconds of intense bursts of work and 10 seconds of rest in four-minute rounds. You don't need any equipment for the workout, but do grab a towel and a bottle of water — you're going to need both. Then press play and get ready to sweat, tone, and burn!

On Anna: BodyLanguage, Under Armour, and Athletic Propulsion Labs (APL)
On Dre: Under Armour and Athletic Propulsion Labs (APL)
Manduka Mats

POPSUGAR Fitness offers fresh fitness tutorials, workouts, and exercises that will help you on your road to healthy living, weight loss, and stress relief. Check out Class FitSugar, our do-it-along-with-us real-time workout show hosted by Anna Renderer who will inspire you to sweat alongside fitness experts and Hollywood’s hottest celebrity trainers. Class FitSugar regularly covers the most buzzed-about workout classes and trends, including the Victoria's Secret workout, Tabata, P90X, Bar Method, and more.

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