Brazilian Jiu Jitsu or BJJ is a martial art, combat sport and effective self defense method.It was derived from Kodokan Judo nearly a century ago. Developed and brought to most of the world by the Gracie family it is also called Gracie Jiu Jitsu in many schools.
Based heavily on ground fighting, practitioners learn to control an opponent, take the fight to the ground, escape inferior positions, assume dominant and neutral positions and finish the fight efficiently with any number of submission techniques such as: Armlocks, strangles, chokes, leglocks and endless variations and combinations of these and other techniques.
For more information on BJJ in general click on the link below.
http://en.wikipedia.org/wiki/Brazilian_Jiu-Jitsu
