Building muscle is a numbers game. Thankfully, you don’t need a degree in exercise science to excel at this game, just a basic understanding of a branch of arithmetic known as meathead math. At the heart of meathead math – the figure that determines much of what we do when we lift – is the repetition, or the rep.
When you curl or press or pull a dumbbell, that single action is one repetition. A group of reps is called a set. Three sets of 10 is the most common lifting protocol, for reasons no one can really explain. It seems back in the late 1940s, an army doctor did some weight training experiments using the 3 x 10 scheme and, from then on, the industry as a whole took this formula as gospel.
Now there’s nothing wrong with following this plan, beginners especially will benefit from its simplicity. That said, different muscle groups have different functions and abilities; training the entire body with a generic, one-size-fits-all approach will limit your development and bore you to tears. A better way exists! But before we get to that, let’s take a step back and talk about the thing every gym goer is pursuing – muscle.
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