There are a few basic, mandatory components to muscular hypertrophy. If you want to get big(ger), you need to at least be aware of them--ideally you should be using them too. Ever wonder how the people you see at the gym can lift and lift and lift but never really get much bigger? It's not rocket science or magic--they are simply not employing proper hypertrophy principles. First we'll go into training principles, then some systemic stuff.