A martial art is a form of combat that has been practiced for centuries. Karate, Judo, and AIKIDO are three popular martial arts that have been around for many years. Karate is a Japanese martial art that focuses on striking and kicking techniques. Judo is a Japanese martial art that emphasizes throws and grappling techniques. AIKIDO is a Japanese martial art that focuses on redirecting an opponent's energy and using joint locks and throws. All three martial arts require discipline, focus, and physical strength.