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These 6 factors determine how fast you build muscle. Here's what you can—and can't—control.
Experts break down the science behind muscle growth.
Still dealing with a tight hip or weak glute—despite all the foam rolling, stretching, and strengthening? Or, maybe you’ve had an injury that keeps flaring up, even though you thought it was finally ...
This story is from Manual, GQ’s flagship newsletter offering useful advice on style, health, and more, four days a week. Sign ...
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