Take your ab workout to the next level with this Pilates ab series! Watch this video to learn three variations of the flutter kick exercise that will get your abs burning! Then try our Flat-Belly ...

It only takes a few seconds of flutter kicks to set your abs—especially the hard-to-target lower abdominal wall—on fire. But the benefits of flutter kicks go beyond the core, explains Kara Miklaus, ...

Toned abs are a nice perk, but core exercises do so much more for you. Whether or not you realize it, a strong core is essential for pretty much all your daily habits. "You need your core to be solid ...

Here's what happened when this writer did flutter kicks for a week ...