cardio. You’ve heard of it. It’s probably part of your training program. It has been the most talked about and investigative aspect of fitness and exercise. Most of you know it as a good way to lose weight. But there’s…


cardio. You’ve heard of it. It’s probably part of your training program. It has been the most talked about and investigative aspect of fitness and exercise. Most of you know it as a good way to lose weight. But there’s…