• 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 ...

Find out why holding a strong plank for 2 minutes after 40 is a powerful test of core strength and how to safely build up to it.

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 ...

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 ...