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 ...

How to do the perfect side plank, and how to make it easier (and harder). Planks are hard. Even just 30 seconds in plank position can feel like an eternity. But as challenging as planks are, side ...

Looking to tighten your core or build more defined abs? Crunches are not the only way to get there. One of the most effective and often overlooked core moves is the side plank. It targets your ...