Trainer, author, and fitness model Kirk Charles, NASM-CPT CES, knows
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Level Up Your Plank With This Dumbbell Row Move
The plank is a standard core training exercise, one that
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The Fitness Challenge of the Hollywood fitness trainer Jeanette Jenkins
Read moreStabilize Your Six-Pack With This Tough Plank Challenge
When you’re doing a plank, you’re (hopefully) concentrating on your
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