Nintaijutsu

is a term used to describe the fighting style used by the Third and Fourth Raikage. A combination of ninjutsu and taijutsu, the Raikage uses nintaijutsu by first surrounding himself with his Lightning Release Armour. This augments the strength of his physical attacks, making them even deadlier. His speed and reflexes are also increased. Asuma also uses this fighting style, by infusing his wind-natured chakra into his trench knives in order to increase it's piercing force. It is unknown if there are other examples of nintaijutsu.