Here is a concise, interesting article, let me know what you think. I think that it reveals a little something about how exercise intensity is linked to accelerated performance, weight-loss and higher levels of conditioning. Keep in mind, the subjects are trained athletes but even among trained individuals, those who train consistently and get to the point to where they can perform at elevated levels of intensity for long periods of time can obviously utilize more calories etc. Train hard! How did you digest this article??