is the pen name of the noted scholar Yi Hwang (16th century), an author on neo Confucianism. The 37 movements of the pattern refer to his birthplace on 37 latitude, the diagram represents “scholar”
退溪是16世纪朝鲜著名儒学家李滉的雅号。37个动作是指代表他出生于纬度37度，而演武线 「士」代表他是士人 。
