Seisan Seisan The karate kata (alternate names Sesan, Seishan, Jusan, Hangetsu) literally means '13'. Some people refer to the kata as '13 Hands', '13 Fists', '13 Techniques', '13 Steps' or even '13 killing positions'. However, these names have no historical basis. Seisan is thought to be one of the oldest kata, being quite spread among other Nahate schools. Shito-ryu has its own version and different versions are now practised even in Shuri-te derivatives like Shotokan (called Hangetsu) and in Wado-ryu (called Seishan). Isshin-ryū also adopted this kata. This kata is also practiced in Korean styles such as Tang Soo Do and
Hyun-jin Ryu Hyun-jin Ryu Hyun-jin Ryu (; ; born March 25, 1987) is a South Korean professional baseball starting pitcher for the Los Angeles Dodgers of Major League Baseball. In 2013, after spending seven seasons with the Hanwha Eagles of KBO League, Ryu became the first player from the KBO to join an MLB team via the posting system. Ryu was also the first South Korean to serve as the starting pitcher of a Major League Baseball postseason game. Ryu was born in Incheon, South Korea on March 25, 1987, and attended Incheon's Dongsan High School. He is working towards a master's