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
ARB (martial art) ARB (martial art) ARB (; ; 'Army Hand-to-Hand Combat') is a Russian martial art of training for protection and attack receptions that incorporated many functional elements from an arsenal of individual hand-to-hand combat and martial arts styles from around the world, and has been used in real fighting activities. The modern and quickly developing form of the martial art is single combat which have received popularity for full contact duels while offering minimum risk of trauma to sportsmen. ARB's origin as a military-applied martial art dates back to 1979 when the city of Kaunas (the settlement Gajzhjunaj, military unit n.o.