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
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David Bowie Fitness on Twitter: "30-day, 3 minute Plank Challenge: https://t.co/OODJQAjEnj https://t.co/IZfm2IR8we" / Twitter
3-Minute Plank Workout | POPSUGAR Fitness
Plank Challenge – Runnin' for Rhett
