(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. (CNN) — Planks ...

The world of fitness has crowned a new champion in core training, and it’s not the traditional sit-up. The plank, a deceptively simple exercise, has captured the attention of fitness enthusiasts ...

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 ...

Jakob Roze, CSCS, is a health writer and high-end personal trainer. He is the founder and CEO of RozeFit, a high-end concierge personal training practice and online blog. Several bodyweight exercises ...