I am the founder and editor of the Journal of Strength and Conditioning Research and I am a professor in the department of health and physical education at the University of New Hampshire. I have written more than 50 scientific articles on exercise science, fitness and sports psychology, and I teach workshops at several colleges. My research on athletic performance and athletic training has been featured on National Public Radio, National Geographic, and National Geographic Channel. I am co-author of several books including The Athletic Gene, A Sport That Works, and the New York Times best-seller The Science of Sports and Exercise. The views expressed in this blog post are my own and don't necessarily reflect the views of the American Council on Exercise. I have not been paid for this post, or for any other article I've written that you may find helpful. In addition to my research and teaching, I am a licensed psychologist, and have a private practice in New Hampshire. I believe that the best way to improve your athletic performance is to work on the parts of your physical and mental game that don't need a lot of training, and that you can work on at any time. I know that is hard to believe, but the science is clear.