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I'm a personal trainer — try the old-school 'Run the Rack' dumbbell method to increase lean muscle growth

Have you heard about a dumbbell workout method that involves “running the rack?” It might sound like something you’d find on Instagram workout inspo pages, but actually, it’s an old-school dumbbell ...
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My Favorite Adjustable Dumbbell Workout Only Takes 15 Minutes

June 5, 2025 Add as a preferred source on Google Add as a preferred source on Google We may earn a commission from links on this page. When I'm marathon training, my schedule revolves around logging ...