Vovinam to demonstrate Vovinam publicly in Hanoi with his disciples in 1940, Nguyễn was invited to teach the art at Hanoi's Ecole Normale, and Vovinam gained in popularity. During the following years, political unrest increased throughout Vietnam; due to the system's nationalist political orientation, the art came under suppression. By 1954, Nguyễn had emigrated to South Vietnam, where he was able to continue to teach and establish Vovinam schools. After his death in 1960, Grandmaster Le Sang continued the development and international promotion of Vovinam until his own death on September 27, 2010. The first Vovinam school outside of Vietnam was
Mixed martial arts are recognised as a foundation for striking in mixed martial arts, and are both widely practiced and taught. Although both may seem identical, each has different techniques. Muay Thai originated in Thailand, and is known as the "art of eight limbs", which refers to the use of the legs, knees, elbows and fists. One of the primary benefits of training in Muay Thai for MMA is its versatility. Techniques cover the long, middle and short range with everything from kicks to clinch holds and throws. Meanwhile, kickboxing is a group of stand-up combat martial arts based on kicking and punching.