Part 1/6 - Introduction
We meet David Martinez who has been with the La Habra Boxing Club for nearly 30 years. During that time, he has trained many professional boxers, among them WBO (World Boxing Organization) world title holder Julio Gonzalez.
The boxing training method is often cited by medical doctors, trainers, and writers as one of the most spartan forms of sports training.
Part 1/6 - Introduction
