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Why Heart Rate Monitoring |
How does it work? When you start training, your heart rate increases rapidly in proportion to the intensity of the training. In Polar Heart Rate Monitors, the transmitter belt detects the electrocardiogram (ECG - the electric signal originating from your heart) and sends an electromagnetic signal to the Polar wrist receiver where heart rate information appears. The heart moves blood from the lungs (where the blood picks up oxygen) to the muscles (which burn the oxygen as fuel) and back to the lungs again. The harder the training, the more fuel the muscles need and the harder the heart has to work to pump oxygen-rich blood to the muscles. As
you get fitter, your heart is able to pump more blood with every beat.
As a result, your heart doesn’t have to beat as often to get the
needed oxygen to your muscles, decreasing resting heart rate and exercise
heart rate on all exertion levels. |