Athletes train intensively because when you set your mind to train, and not just exercise, you concentrate on the intensity and value of the workout rather than how long you are running or the amount of time you spent on the elliptical. When you include a short run into your daily routine, you are doing something perfect for your body, as well as your mind. The basic idea of training is that it means constructing a workout toward an athletic goal, such as a race or some other motivation. Simply exercising may produce poor results.
These results are why people have trouble sticking to a workout routine. Intensive training strengthens the heart, as well as the whole body. Also, workouts that surpass one full hour are known to be linked with a decrease in androgen levels. With exercises like aerobics, the body adapts quickly, and then subsequently, hits a wall. This challenge isn't the case when you are continually changing things up with intensive training.