Robert McAdam has been a boxer, a professional boxing trainer, a qualified physical training instructor, a weight training instructor, a boxing judge (both amateur and professional), a referee, a cut man, a cornerman, a manager of fighters and owner of cutting - edge boxing gyms.He has trained recreational, amateur and professional fighters, countless athletes and even superstars.His first book, Force, addressed flaws in amateur and Olympic boxing, the evolution of boxing and rudimentary technique. It was well received and requests were made for more. ExtremE Force is a detailed reference for all fighters, trainers and fans of boxing. It has wonderful photos and stories which make reading it interesting, and more of a chat with a trainer with 50 years of experience.