Workout methods with numbers in the name have been having a moment lately. The 12-3-30 treadmill workout, the 3-2-8 workout, the 3-2-1 fitness method ... and the list goes on. There’s a good reason ...

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If you’re like most guys, your workouts probably haven’t changed much in years: three sets of 10, some cardio, maybe a few finishers if you’re feeling ambitious. That’ll work for a while, but ...