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

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 ...

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

A fitness expert has revealed how long you should be able to hold a plank for, based on your age. A plank exercise is when you hold your body in a push up position, in a straight line, like a plank of ...

Here's how long you should be able to hold a plank — according to your age - Planking is a great strength-building exercise with a variety of health benefits ...

Add Yahoo as a preferred source to see more of our stories on Google. While vanity muscles are nice, building a strong, stable base is crucial for all of your other gym and athletic goals. "Planking ...

Slider planks involve positioning your hands and feet on discs, sliding them outwards, holding the pose for a few seconds, ...