How do you get big? That is the million dollar question. Everyone in the fitness industry seems to have a different answer for you, and they all claim to have the secret sauce. Take this supplement. Use this rep scheme. Drink this before you go to sleep. It goes on and on. We wanted to see what science has to say about this, and invited Andy Galpin on to this week's show along with Kenny Kane to talk about the science of getting big. We go deep into understanding what our bodies need to put on muscle, and how we can shift our training focus on this adaption goal.   In the show, Andy outlines the three mechanisms of hypertrophy. Can you guess what they are?