Training your upper abs (the six-pack muscles) is important because it's an essential portion of your core that is in charge ...

Core exercises for stronger abs include crunches, teasers, planks, and body-weight squats. A strong core helps improve balance and posture.

Not only does swinging your arms at a faster rate help you walk faster—and ignite serious calorie burn—but that movement also engages the upper body, lower body, and, of course, your abs. "The ...

Nothing says fit like a washboard stomach. But scoring high-definition abs isn't as easy as cranking out crunch after crunch. To sculpt a stronger, more chiseled core, you need the best ab workout to ...