The plank is a simple yet highly effective bodyweight exercise that builds core strength and stability using the benefits of ...

A plank is a core exercise that requires glute and leg strength, as well as shoulder stability. To hold a plank, you need to keep your spine neutral and support it with your abdominal muscles. That ...

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 ...

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