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How to Do a Plank: Proper Form, Variations, and Common Mistakes
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MyNavy HR - In just four short months Sailors will need to master the plank for the PRT. Earlier today we shared tips on how to plank, now let's tackle it together
A Beginner's Guide to Planking: Learn How to Plank Longer and Strengthen Your Abs
A Beginner's Guide to Planking: Learn How to Plank Longer and Strengthen Your Abs
How to Do a Plank: Proper Form, Variations, and Common Mistakes