Combine cardio with core work to reap the flat-belly benefits of both types of sweat sessions in this Better-Body Challenge. This workout alternates between jumping rope and standing ab exercise, so you can tone your belly while burning serious calories in just 20 minutes. We use one eight-pound dumbbell in this workout to increase the toning potential of each exercise. No weights? No problem. This workout will still be effective without them.
While you shouldn’t neglect your floor abs workout entirely, standing exercises are a great way to mix up your regular routine. So give the four-move circuit below a try (be sure to save the Pin below for easy reference). You’ll need one dumbbell—start with a weight that’s five to eight pounds, and go heavier when you can.