What is the core and how do we train it? When you think of the core, you often think of a "6-pack" or "washboard stomach". However, our core is much more than just the superficial abdominal muscles that are visible to the eye. The core goes much beyond that, with layers of muscles not only on the front of our body, but also on our backs, hips, and even our pelvic floor! The core also consists of input from our nervous system. In this article, we are going to teach you all about the core and how to build core strength!