Specializing in Applied Kinesiology(AK), Dr John teaches other doctors and holds a diplomate in AK. Simply put, AK is the science of identifying the muscles that are affected an important in stabilizing a healthy body. The Brain keeps track of everything and when there is an imbalance we can often see this neurologically affect posture and walking. AK is not only just for elite athletes, it works very well in quickly eliminating back pain and most physical pain conditions.