• This ab workout is planking meets yoga flow. To wit: It’s called the Plank Flow. Rather than just holding a plain ol’ plank for minutes on end (boooring), you flow from side plank to reverse plank ...

People love to prove that they can hold a plank for a really long time. In fact, the plank record is more than five hours, set just last week. This is incredibly impressive, but most fitness experts ...

A plank is a core exercise that requires glute and leg strength, as well as shoulder stability. To hold a plank, you need to keep your spine neutral and support it with your abdominal muscles. That ...

You've been sitting all day (as usual) and now you're standing up. And you know the result from here: That dull ache in your lower back, the one you can't quite place. It's not debilitating, but at ...

How long can you hold a plank — and how does it stack up to others in your age group? That’s the question that was posed on "Fox & Friends" Thursday morning, when co-hosts Brian Kilmeade and Lawrence ...