Forty-year-old men have three problems with their bodies, which are also three weaknesses that they must overcome when it comes to fitness. In fact, a man's forty-one flowers, the body contains huge potential, as long as you act, exercise properly, and return to the state of your twenties, it is not an impossible task. Therefore, fitness professionals point out that the top priority for 40-year-old men is not to give up on themselves and act as soon as possible. The first weak: fat 40-year-old men have more interactions, less exercise, more fat problems, and the most concentrated is the waist and abdomen. Self-test with your hands, grab the fat on the waist and abdomen, it is all soft collapse, obviously fat. The occurrence of obesity indicates that the basal metabolic rate of the person has decreased, such people are prone to shortness of breath and weakness, do not like exercise, or will breathe if they move a little. Fitness: 40% cardio + 60% muscle training Overall training tim...