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

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 ...

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

When you're doing a plank, you're (hopefully) concentrating on your form. Actually performing the exercise correctly is more challenging that just bracing your elbows on the ground and holding ...

The Copenhagen plank is not your typical core move—it’s a side plank variation where you put your top calf on an elevated ...