Muay Thai is a combat sport of Thailand that uses stand-up striking along with various clinching techniques. This physical and mental discipline which includes combat on shins in known as "the art of eight limbs" because it is characterized by the combined use of fists, elbows, knees and shins.
Strength training is a method of improving muscular strength through the use of specific fight related workouts. Strength training sessions are designed to increase endurance, mobility, weight loss and overall cardio.
BJJ is a martial art, combat sport and self defence system that focuses on grappling. BJJ promotes the concept that a smaller, weaker person can successfully defend against a bigger, stronger assailant by using proper technique, taking the fight to the ground and then applying joint-locks and chokeholds to defeat the opponent.
Wrestling is a combat sport involving grappling type techniques such as clinch fighting, throws and takedowns, joint locks, pins and other grappling holds. A wrestling bout is a physical competition, between two (occasionally more) competitors or sparring partners, who attempt to gain and maintain a superior position.
In martial arts a fighter does not lose a fight, either he wins a fight or continues to learn from it.