He is a very dedicated athlete to keep himself in that kind of condition constantly. I would venture he is at the very least very educated about his own physiological health and what his body responds to. To keep yourself in that condition without needing a personal trainer or nutritionist or coach, Froch obviously is fitness knowledgeable.
Carl Froczski has got to be the least technically skilled titleholder I have seen in a very long time, south of Heavyweight.