triathlonbikesonline.com — Why train with a heart rate monitor? Training with heart rate monitors is a scientifically supported method to maiximize your traning time. Regardless of your level of fitness, a heart rate monitor gives you a glimpse into how hard you are working and how much energy you are using in your exercising and recovery activities.
Dec 17, 2007 View in Crawl 4
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It's quiet in here... can you hear the echo?