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) hands and feet from a standing position. The opponent may call "Stop", as some kicks on the head of the opponent may not be protected by a helmet, and can lead to heavy damages that interrupt the sport immediately. Blows of the opponent by a foot in a head is a knock-down to the fighter who has performed such a blow. 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