Self-defense is the art of self-defense or unarmed self-defense. It designates the set of combat techniques to deal with an attack when one is disarmed. His teaching most often uses know-how from different martial arts or combat sports. When martial arts are a loyal fight between two partners, self-defense aims to stop the attack as quickly as possible before being controlled, injured or even killed. Strict adherence to safety rules is required during training and training, as well as the use of protective gear and dummy weapons. The personal defense is also committed to the best use of the environment and accessible objects: belt, stick, bottle, furniture, ashtray ... Legally, there is a need to be in self-defense to enforce these techniques: you must have been attacked first and the answer must be proportionate to the attack. Among the techniques used: Russian combat or system, Israeli boxing, jiu-jitsu, karate, kra-maga or kapap, Brazilian jiu-jitsu, free combat, close combat techniques (or "close fight") ..