Get your stopwatch out.

Add Yahoo as a preferred source to see more of our stories on Google. Margot Robbie, pictured here on the set of the "Barbie" movie wearing a pink and white gingham dress, trained with David Higgins ...

Here on the Tom’s Guide fitness desk, there’s nothing we love more than a plank variation. Next up on my list of activities to add to my routine for a week was the plank reach, an exercise that works ...

The plank is one of the most commonly performed core-strengthening exercises, and whether you're getting your heart-rate up at Barry's or at home (using a Class FitSugar video, per chance??), there's ...

How long does one expect to remain perfectly motionless on his or her forearms before the trembling begins? The plank may ...

Consider the plank. Not the pirate variety, not the kind into which you hammer nails, not the kind on which salmon rests while being grilled. Instead, the plank: The looks-easy-but-isn’t exercise that ...

In a fitness industry crowded with fast trends, flashy promises, and short product life cycles, Pure Plank has taken a noticeably different approach. The ...

This Barbie can really hold a plank. Well, at least the actress who plays her sure can. According to the Barbie movie's trainer David Higgins, Margot Robbie can hold a plank for four minutes and ten ...