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 ...

Doing burpees can help you increase strength and fitness.But exercises such as kettlebell swings, plank jacks, and bear ...

(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 ...

Why one trainer calls the plank variation "no joke." ...

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 ...

Push-ups come in many forms — some are progressions to make a push-up harder while others are regressions to make the upper-body exercise more accessible. One push-up variation that holds muscles ...

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 ...