Kyokushin is a style of full-contact karate founded in 1964 by Masutatsu Oyama. It emphasizes rigorous training, physical conditioning, and practical techniques, making it one of the most popular forms of karate worldwide. Practitioners, known as Kyokushin karateka, engage in intense sparring and kata (forms) to develop their skills. The style is characterized by powerful strikes, low stances, and a strong focus on discipline and respect, reflecting its roots in traditional martial arts.