Strengthen more than just your core muscles with the humble-yet-mighty plank.

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 ...

If you are looking for a real challenge, then try doing the RKC Plank. Invented by a former Soviet special forces trainer, ...

No one knows for sure who invented the plank, but some credit Joseph Pilates, who created the Pilates exercise regimen in the early 1900s. What is clear, however, is that the plank became the favored ...

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

While practicing Pilates is an effective way to strengthen your core, you can build core stability, balance, and strength ...

Burpees are a popular exercise, but they can put a lot of stress on your joints. You can swap burpees for other lower-impact ...

I don’t love planks. There I said it. Isometric exercises (or holding one position) are not my thing. I prefer other types of core exercises (hi dead bugs, bicycle crunches, inchworms, or V-ups!) over ...

Margot Robbie, pictured here on the set of the "Barbie" movie wearing a pink and white gingham dress, trained with David Higgins to get into top character shape. (Photo: Everett Collection) This ...

(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 ...