Vovinam and most developed in Vietnam with more than 60 schools around the world, including Poland, Belgium, Cambodia, Denmark, Germany, the United States, Morocco, Norway, Russia, France, Romania, Switzerland, Sweden, Singapore, Uzbekistan, Thailand, Italy, Australia, India, Iran, Spain, Algeria, Taiwan. The Chief of Vovinam Council now is Nguyễn Văn Chiếu. Vovinam is practiced with and without weapons. It is based on the "principle of between hard and soft". It includes training of the body as well as the mind. It uses force and reaction of the opponent. Vovinam also includes hand, elbow, kicks, escape- and levering techniques. Both attack and defense
Lê Sáng 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. Le Sang was born to Le Van Hien (also known as Duc Quang) (1887–1959) and Nguyen Thi Mui (1887–1993). He was sickly as a child, which made it difficult for him to walk. His mother advised him to study martial arts in order to strengthen his legs. In Hanoi he learned Vovinam at Nguyễn Lộc's Vovinam school. Soon Le Sang was a teacher himself and, together with Nguyễn Lộc, continued to