Add Yahoo as a preferred source to see more of our stories on Google. I'll admit, I sometimes sigh when an instructor cues up a plank. I know, they will *always* burn. Planks are a classic core move ...

There's a reason that the plank is such a staple of most exercises routines. The no-equipment-move strengthens your core, and all you need to do is hold the pose for a short while to see the benefits.

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

A trainer explains how to do bear plank, aka one of the best possible moves for working your arms, core, and glutes at the same time. The standard plank may get all the glory for working your core, ...

In my entire gym and fitness career, I’ve probably racked up more hours in planks than I can count. Maybe even days. Want to activate your core? You plank. Want to help prevent lower back pain? Plank ...

Add difficulty to the plank exercise for elite core strength and rotational control. Try the “toe tap” when you're ready for a real challenge. Be sure to master the standard plank before you attempt ...

A plank is more difficult than it looks. You have to use all of your muscle groups, including your core, abs, arms, back, shoulders, glutes and legs. It’s normal to struggle to do a plank. Many of my ...

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 ...

When it comes to ab workouts, there’s a nine out of 10 chance they will involve some sort of a plank. The move is a staple for good reason: They’re challenging and certainly bring the burn to your ...

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

I'll admit, I sometimes sigh when an instructor cues up a plank. I know, they will *always* burn. Planks are a classic core move for a reason and offer so many benefits. “Planks target and strengthen ...