 Krav Maga is known for its focus on real-world situations and its extreme efficiency.It was derived from the street-fighting experience of Hungarian-Israeli martial artist Imi Lichtenfeld, who made use of his training as a boxer and wrestler, while defending the Jewish quarter against fascist groups in Bratislava, Czechoslovakia, during the mid-to-late 1930s.In the late 1940s, following his migration to Palestine, he began to provide lessons on combat training to what was to become the IDF.