Add Yahoo as a preferred source to see more of our stories on Google. Most people don't feel excited by the idea of holding a plank. Of all the workouts out there, it may just be the most brutal. And ...

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 ...

Forget crunches and sit-ups. One of the best ways to blast your core is the oh-so-simple plank. When performing a plank with good form, you’re working your midsection, shoulders, chest, lower back, ...

From barre class to boot camp, planks are everywhere—and that’s because nothing beats them for strengthening your core, says trainer Kira Stokes, creator of the Stoked Method, a high-intensity ...