If you’ve ever tried them, you know side planks are challenging­—even more than regular planks. But they’re a critical move, says Keli Roberts, an exercise physiologist with the American College of ...

In a side plank you should be in a position as if you were taken from a standing position and tipped to your side. Your elbow should be directly under your shoulder. As you position the top hand for ...

Learn how to do the Copenhagen plank, a challenging side plank variation that strengthens your hips and core and improves shoulder stability.

Vanilla ice cream, a plain cheeseburger, that little black dress-sometimes keeping it simple is actually the most satisfying. That goes for the core move youve probably done in almost every workout ...

The real secret to a sexy stomach is carving out those lines to frame your budding six pack (a.k.a. your obliques). And while you're already well aware that planks help tone your entire core, there ...

Yoga is not just a great way to achieve flexibility and reduced stress levels; it can also be an excellent tool for achieving a flat belly. Some yoga poses target the core muscles, which help to ...