Burn up to 1,000 calories with this 50 min. Zumba workout. Kick up the fat-burning power of dance-fitness with short Cardio Burst intervals. Science has shown that pushing yourself in quick spurts can yield huge fitness gains, so get ready to jump and shake! These fun, high-energy, 30-second bursts don't take over the dance party, they just spice it up with some extra effectiveness.