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

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 ...

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 ...

Planks are a simple, equipment-free exercise that strengthen your core, improve posture, and protect your back ...

Get your stopwatch out.

Keeping your body controlled while moving an object develops functional core stability better than static movements ...

Editor’s note: Before beginning any new exercise program, consult your doctor. Stop immediately if you experience pain. Planks are widely considered by fitness experts to be a fantastic exercise to ...