Get ready to burn calories while you dance it out with our first-ever episode of Dance FitSugar. Led by dancer and personal trainer Deja ... ... <看更多>

Does your heart rate indicate how many calories you burn? ... 0:47 - I know nothing about nothing, 1:05 - my other video, weights vs cardio. ... <看更多>

... burning calories FAST at home. This is an effective HIIT routine designed to elevate your heart rate in the most efficient way possible. ... <看更多>