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 ...

From high planks and low planks to side planks and plank jacks — plank variations aren’t hard to come by. We guess you could say that's what makes these OG bodyweight exercises (which can take true ...

A plank is a core exercise that requires glute and leg strength, as well as shoulder stability. To hold a plank, you need to keep your spine neutral and support it with your abdominal muscles. That ...

Add Yahoo as a preferred source to see more of our stories on Google. This bodyweight exercise is especially excellent for working the core, which is crucial for mobility and pain relief. But it's ...

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 numerous ...

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 ...