Self defense and aerobics. An excellent form of self defense, and the training involves intense aerobic workouts. The martial art of kings. Sons of King Sen Muajng Ma used muay thai to fight to the death for the throne in 1411. Oldest of the martial arts, over 2000 years The science of 8 limbs. Also known as Thai boxing, it's called the sciende of 8 limbs because you use every body part as a weapon.