Thank you for taking the time to fill out this survey on martial arts, combat sports, and self-defense. It should take about 15 minutes to complete.All of your responses will be used to conduct a scientific investigation into how and why people train and what can be done to improve the way we train. We will also be comparing various styles and training regimens. Your responses will be anonymous and private. We will never sell or share any of your information for any reason.Dr. Jason Thalken, author of the book Fight Like a Physicist , will be compiling and analyzing the results of this survey, and your responses may be featured in an upcoming book on the science of martial arts.At the end of the survey, we will ask you to share your personal tips and favorite techniques and you will have the chance to enter a drawing for a free copy of Fight Like a Physicist, so please continue all the way to the end.