Step foot in the gym and you'll likely spot two types of lifters: one busting out endless reps with lighter weights, and another lifting heavy loads for considerably less reps. Both have equally ...

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To boost your running performance, you consider strength training, but now you’ve got two major questions. Is that effort really necessary? And should I do high reps at a lower weight or low reps at a ...

This story is from Manual, GQ’s flagship newsletter offering useful advice on style, health, and more, four days a week. Sign up here to get it in your inbox. Ever since man first picked up heavy ...