Do Not Even Consider Buying The Polar Heart Rate Monitor Watch Until You Read This Now!
Wednesday, September 1st, 2010 Polar RS100 Heart Rate Monitor and Stopwatch Review!
It is important not only to know your workout intesity zone, but to stay in it if you want the most out of your workouts. If you have to much or too little intesity it will not help you lose weight or gain muscle as well [...]