If you want to get strong and save time in the gym, there are three numbers to know: 5, 3, 1.
This dynamic plank variation is redefining how Americans build core strength, balance, and upper-body endurance—without stepping into a gym.
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When you’re setting out on a new fitness journey, it can be easy to forget to pace yourself. You might get inspired by your favorite content creators or super-fit friends and decide to just go for it.