If you’ve ever tried them, you know side planks are challenging­—even more than regular planks. But they’re a critical move, says Keli Roberts, an exercise physiologist with the American College of ...

Add Yahoo as a preferred source to see more of our stories on Google. Ah, the plank. It may just be one of the most intimidating exercises. Anyone who has shook their way through one knows that the ...

You've probably seen online challenges, friends trying it, or simply heard that "planking is the best for abs." But what really happens if you decide to take it a step further and commit to doing a ...

A staple of many core workouts, most runners will be familiar with the side plank exercise. But you may be surprised to learn that it's one of the best exercises you can do for working your deep core.

While the standard plank is widely incorporated into core workouts, the side plank is often overlooked. This variation of the plank targets the obliques, the muscles that run along the side of your ...

Kelsey Wells's Three-Week Plank Challenge This three-week PWR at Home Plank Challenge incorporates four plank variations, in addition to three high-intensity moves that will challenge your core ...

Trainer Heather Robertson is, in my opinion, one of the best fitness professionals on YouTube (we rounded up 10 of these channels here). She posts a wide range of at-home workouts — HIIT, lower body, ...

The plank drag is a plank variation that adds some weight and movement to the exercise, which I find makes it more engaging and effective.

A physical therapist explains how a modified side plank with a clamshell strengthens runners’ core and hips to improve efficiency and reduce injury risk.

Welcome to Start TODAY. Sign up for our Start TODAY newsletter to receive daily inspiration sent to your inbox — and join us on Instagram! Ah, the plank. It may just be one of the most intimidating ...