More than just an abdominal move, flutter kicks strengthen the glutes, hip flexors, and quads.

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 ...

I'm always up for a challenge, so I decided to spend 30 days doing flutter kicks, in an attempt to master the exercise and get an even stronger core.

So use your hips and legs for flutter-kick endurance. You do not need power or strength so lay off the heavy weights. High-rep endurance is needed for long ocean swims.

Alternate between flutter kicks and frog kicks [or breaststroke kicks], as well as easy and fast." Pimer says.

This scissor exercise can help you get in-shape at home or in the gym. Use these lying scissor kicks to work-out your abs, hips, glutes and legs in one exercise.