A Hardcore Cardio and Strength Workout For Killer Abs

Combine cardio with core work to reap the flat-belly benefits of both types of sweat sessions in this quick, 20-minute workout. It 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…

Printable Workout: Sculpt Session For Abs and Butt

From warmup to cooldown, this quick workout is a little over 20 minutes, so it should be easy to fit into your busy day. In the first circuit, we recommend using 10-pound weights, but these moves will still be effective with lighter weights or no weights at all. Read up on the specifics of each…