This can also raise exercise heart rate at the same power output, increasing the risk for overtraining. (philmaffetone.com)
-- An increase in HR means that you are just using more and more of your physiology (since you are using anaerobic channels to maintain the same power output). (philmaffetone.com)
And this is our demand on ourselves because our customers always demand the same power output. (automobilemag.com)