Intro and Warm UpAlison DavisTHE FIRM Calorie ExplosionS1:Ep1CardioGetting Started6 mins96%4%Sign Up to WatchSign Up to WatchFull SeriesStart here and get your heart and muscles primed for calorie-burning action. Use before every time you workout.0View All CommentsInstructor/Host: Alison DavisVideo Language: English