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 ...
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, ...