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Heartrate Monitor Relevance...
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Sunday, 14 April 2013 01:10
Some experts believe that power meters and speed and distance devices have made heart rate monitors irrelevant.
By Matt Fitzgerald
Heart rate monitors took the endurance sports world by storm in the early 1990s. The practice of heart rate monitoring appealed to cyclists, runners and triathletes as a way to make their training more precise and scientific. By the late