The plank is one of the greatest exercises for working a whole bunch of different muscles at once (including those hard-to-reach lower abdominals) with no equipment other than a flat surface. And ...

Planks are a simple, equipment-free exercise that strengthen your core, improve posture, and protect your back ...

Join us for an energizing outdoor workout as we explore a range of plank exercises designed to strengthen your core, arms, ...

The plank is the most accessible exercise that gives the best outcome for building core strength. It's one of the simplest yet most challenging movements, as it engages many different muscular groups ...

Pilates pro Simone de la Rue demonstrates how to do a plank jack—aka the ultimate cardio and core-strengthening move—with proper form. A little known fact about planks: In addition to working nearly ...

YOU PROBABLY THINK you know how to do a plank. The ab training staple is relatively simple, after all—boiled down to the basics, all you need to do is get down on the ground and hold in place.

Women's Health may earn commission from the links on this page, but we only feature products we believe in. Why Trust Us? I'll admit, I sometimes sigh when an instructor cues up a plank. I know, they ...