Improved coordination: By joining a Zumba class, you'll definitely improve your coordination, which is extremely important to maintain as you grow older. Full body workout: Zumba is both a dance class and a fitness class. Aside from its heart-health benefits, Zumba provides a workout for the whole body.Burn Calories Fast. ... If you dance Zumba for one hour a day and eat 500 calories a day less than you need to maintain your weight, you should lose 2 pounds weekly or 8 pounds a month. This is a fast, but healthy rate of weight loss. Losing weight any faster means you're losing muscle instead of fat.