Lê Sáng develop Vovinam. In 1954, Le Sang accompanied Nguyễn Lộc to Saigon to open a Vovinam school. He opened additional Vovinam schools, and as of 2007, was still teaching the higher-ranked students. In 1960, Nguyễn Lộc passed the leadership of Vovinam to Le Sang. After the fall of Saigon he spent several periods in prison. Leadership passed to Trần Huy Phong (1938-1997). He was born in Hanoi, Vietnam and died in Saigon. Lê Sáng Lê Sáng (1920 – September 27, 2010) was the Chairman of the Vovinam Vietnamese Martial Arts World Federation, a position he held from 1960 until his death.
Infighting (martial arts) Infighting (martial arts) Infighting is the name given to certain martial art techniques used while in close proximity to the opponent. The Chinese martial art of Wing Chun specializes in infighting. The key points of infighting are the control of the enemy's angle of attack, i.e., to control and limit the ways or angles through which an opponent may find an opening in one's guard to counterattack or get past a block or guard. This is attained by controlling the opponent's attacking limb, transferring momentum and debilitating his stability by forcing his posture/position and shifting his mass on his center