Namaste, iam Tammy Williams, Have a Rock-and-Roll Day!

What Is The Hardest Plank Exercise? [Solved]

The Hardest Plank You’ll Ever Do —exercise. The bent-arm planche plank requires you to balance on just your hands so your chest hovers a few inches above the ground.2 Oct 2014

The HARDEST Plank Variation For Ripped Abs - Instructional Video

http://www.halftimefit.com - The Top Ab

THE WORLD’S HARDEST PLANK CHALLENGE - 5 MIN FOLLOW ALONG

THE WORLD’S

STOP Doing Planks Like That!

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