As many of you that have visited our newly remodeled Carrollton location have probably noticed, we have changed up the way we rate problems there. And no, we didn't do it to confuse you guys or be annoying. We've switched over from the classic V-scale widely used in most American gyms, to the circuit system many gyms in Europe utilize. We swear the switch-over was not arbitrary — the circuit system is a more efficient training method, and gives you a more accurate idea of where your skill level is at. Here's the history of this particular system, and why we decided to integrate it into our gym.