Mixed martial arts (MMA) is an intense and evolving combat sport in which competitors use interdisciplinary forms of fighting that include jiu-jitsu, judo, karate, boxing, kickboxing, wrestling and others to their strategic and tactical advantage in a supervised match. Scoring for mixed martial arts events in Nevada, New Jersey, California Massachusetts, and Florida is based on athletic-commission approved definitions and rules for striking (blows with the hands, feet, knees or elbows) and grappling (submission, choke holds, throws or takedowns). No single discipline reigns.