15-Minute Intense At-Home HIIT Workout With Katie Austin

[Sponsored by WHOOP] Get ready to challenge your body with 15 minutes of cardio HIIT from Katie Austin! This session is ideal for when you're recovered and ready to push past your limits. Throughout this quick workout, Katie will be tracking her strain, heart rate, and calories burned using her WHOOP. This real-time feedback will allow Katie to work out at her most efficient and effective. Find more from WHOOP on: ;dc_trk_aid=485969267;dc_trk_cid=144280604;dc_lat=;dc_rdid=;tag_for_child_directed_treatment=;tfua=;gdpr=$ 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 to sweat alongside fitness experts and Hollywood’s hottest celebrity trainers. Class FitSugar regularly covers the most buzzed-about workout classes and tr