Add Yahoo as a preferred source to see more of our stories on Google. Ah, the plank. It may just be one of the most intimidating exercises. Anyone who has shook their way through one knows that the ...

You've probably seen online challenges, friends trying it, or simply heard that "planking is the best for abs." But what really happens if you decide to take it a step further and commit to doing a ...

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 ...

Why one trainer calls the plank variation "no joke." ...

When you're doing a plank, you're (hopefully) concentrating on your form. Actually performing the exercise correctly is more challenging that just bracing your elbows on the ground and holding ...