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, ...

I have quite a strong set of core muscles thanks to regular Pilates and strength work. However, one exercise that I have always struggled with is flutter kicks. It’s a more advanced move, requiring a ...

Working your abs doesn't have to be a fruitless exercise in spinal flexion. Skip out on the situps next training session and try the dragon flag, one of Bruce Lee's favorite moves, which challenges ...