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What Is the 3-2-1 Rule in the Gym?

What Is the 3-2-1 Rule in the Gym?

A Simple, Sustainable Way to Train If you’re searching what is the 3 2 1 rule in gym routines, you’re likely looking for a training approach that actually fits into real life — not something that leaves you exhausted or injured. The 3-2-1 rule is a weekly fitness...
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