Brazilian Jiu Jitsu promotes the concept that a smaller, weaker person can successfully defend against a Bigger, Stronger, Heavier assailant by using proper Technique, Leverage and most notably, taking the fight to the ground, and then applying Joint-Locks and Chokeholds to defeat the opponent. Brazilian Jiu Jitsu training can used for sport grappling tournaments. However it can be used in some Self-Defense situations and does serve its purpose. Sparring (Commonly Referred to as rolling) and live drilling play major role in training, and a premium is placed on performance, especially in competition, in relation to progress and ascension through its ranking system.
Mixed martial arts (MMA) is a full-contact combat sport that allows both striking and grappling, both standing and on the ground, using techniques from other combat sports and martial arts.
Kickboxing is a group of stand-up combat sports based on kicking and punching, historically developed from karate mixed with boxing. Kickboxing is practiced for self-defense, general fitness, or as a contact sport.
Muay Thai is a combat sport of Thailand that uses stand up striking aling with various clinching techniques. This physical and mental discipline which includes combat on shins is known as "The Art of Eight Limbs" because it is characterized by the combined use of Fists, Elbows, Knees, Shins and keeping the body in good physical condition.