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Monday, June 10, 2013

How to Choose a Good Heart Rate Monitor



By Natalie van der Brogen


Your heart rate is one of your best, measurable indicators of overall fitness. When you exercise, your heart pushes oxygen-rich blood from your lungs to your muscles (which burn the oxygen like a car burns fuel) and back again. The harder you exercise, the more fuel your muscles demand, and the harder your heart beats. To maximize the benefits of exercise, it is critical to tailor the intensity to what your body is capable of, and your heart rate is your gauge for modifying the intensity level for maximum benefit. As you become more fit, your heart pumps more blood with each beat, your muscles get more fuel, and your heart becomes more efficient, beating at a slower rate. A heart rate monitor allows you to track your heart beat and see whether it's staying at the same level, or decreasing as your training progresses.

The most accurate heart rate monitors use a chest strap which fits snugly around your chest just below the breast. The transmitter detects the electrical activity of your heart just like an ECG. It relays this to a display, usually worn like a wristwatch, although some use earphones instead, or transmit to apps via Bluetooth. It is important for the strap to maintain contact or you get wild readings.

A "best" heart rate monitors provide nearly an internet worth of information. They often come with PC-compatible software to coach you through analyzing your workouts and building a program to reach specific fitness goals. They also often come with GPS tracking sensors or accelerometer foot pods to monitor speed, distance, and elevation. While the average outdoor enthusiast may be overwhelmed by the functionality of the best heart rate monitors, these are the tools Olympic athletes and world-class skiers use.

A heart rate monitor is an electronic device that allows you to continuously monitor your heart rate while exercising. Typically it consists of two elements, a comfortable chest strap and a wrist receiver. The chest strap is adjustable to accommodate a variety of sizes. You strap it around the chest, and it picks up your heartbeat and transmits it to the receiver, which usually doubles as a digital watch. The receiver then displays your heart rate (among other things) during your exercise session.

Consider the ease of use when making your choice. Most monitors come with a watch and chest strap. That makes it very easy to monitor your stats during your workout. However, there are a few that don't require a chest strap, instead detecting your pulse by placing one or two fingers on sensor buttons. These cannot give you a constant reading of your pulse and are not as accurate as the chest strap models. In addition, it can be difficult to stop your workout, put your fingers on the sensors, wait for a reading, and then resume the workout.

Even though a heart rate monitor can be an excellent way to judge the intensity of your workout, it's still important to pay attention to your body and not rely solely on the monitor for feedback. Rate of Perceived Exertion (RPE) and the "Talk Test" are two other ways to know how hard you're working.




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