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

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 ...

Get your stopwatch out.

(CNN) — Planks are widely considered by fitness experts to be a fantastic exercise to strengthen the muscles in your core and elsewhere, no matter your age or physical fitness level. There are ...

The Copenhagen plank is not your typical core move—it’s a side plank variation where you put your top calf on an elevated ...