Sales of heart-rate monitors have been rising as people try to make sure they're getting the maximum health benefit when they exercise. Consumer Reports tested eight monitors. At $30 to $100, it's a good way to track your progress.
Consumer Reports compared the accuracy of the tested models against the Holter monitor, which is similar to what your doctor uses to measure your heart activity.
In addition to chest-strap monitors, the tests included strapless types that measure the pulse in the finger. One from LifeSpan is worn as a ring, but it was not always accurate. With the other strapless monitors, you touch the watch face to get your reading. Although they were accurate, they have other drawbacks. In order to read them, you have to slow down while exercising. And Consumer Reports does not recommend the strapless heart-rate monitors for cyclists because you have to use two hands to get a reading, which isn't safe.
The chest-strap units let you exercise freely and safely. Two that cost around $50 earned top ratings. They're the Acumen EON Basix Plus and the Timex Heart Rate Monitor, the Personal Trainer, model 5G971.
Both heart-rate monitors that Consumer Reports recommends have alarms you can set to tell whether you have met your targeted heart rate. Consumer Reports says it is important to consult with your doctor to determine what that target heart rate should be.
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