The number of studies in combat sports has significantly increased in the last decade, as numerous combat sports are becoming more popular around the world. In this book, authors present current academic research from interdisciplinary combat sports arenas, including MMA, Judo, Karate and Tae Kwon Do. Furthermore, readers can find a review that explores the time-motion analysis of grappling, striking and mixed combat sports, and an overview of physiological responses to typical training sessions in official and simulated combats. Relevant physical and psychosocial changes throughout the process of maturation are addressed along with a comparison between combat sports and other forms of physical activity. This book also addresses links between oxidative stress and exercise in combat sports; injury epidemiology in judo; differences among athletes in different karate disciplines.