Nastya Cherevan and Dima Danilov have been practicing karate for three years, earning orange and blue belts, as well as gold and silver medals. They are coached by Pavel Shvets and Nikolay Martynenko, who are the top karate coaches in Stavropolskiy kray, with Pavel Shvets holding a black belt and having competed in karate championships in Japan. The document encourages a healthy lifestyle including karate, which benefits physical health.