Workouts and exercises from the MMA & boxing fitness regime will tone your entire body super fast. As a top way to total health, fitness, and strength, mixed martial arts and boxing for fitness are quickly becoming known for these hidden benefits.Boxers and martial artists are among the strongest and most conditioned athletes in the world. Boxing fitness routines and boxing exercise allows you to gain strength, tone your muscles, blowtorch body fat and build endurance. And. you learn a new skill in the process!But MMA and boxing fitness isn't just about doing routines on the heavy bag.This is what most people think. In fact, many fitness boxing gyms don't use heavy bags for their aerobic workouts. A heavy bag workout is just the beginning.Many men and women.