What Are Heart Rate Monitors Used for?

If you engage in cardiovascular exercise like running, biking, aerobics or swimming, try a heart rate monitor to measure your level of exertion and fine-tune your workout.

Function

A heart rate monitor measures the number of times your heart beats in a given time frame and gives you a digital display of the rate, usually in beats per minute.

Benefits

With a heart rate monitor, you'll know exactly what your heart rate is. You can decrease or increase your exertion level according to your target heart rate, giving you a more precise workout.

Features

Simple monitors record heart rate for display during your workout and store read-outs for later or to download into your computer. Some models also measure the variability of your heart rate, breathing rate and calories burned.

Types

Heart rate monitors come in several different styles and types. Some consist of a strap and transmitter that are worn around your chest and a wrist receiver that displays the heart rate. Strapless models, worn on the hand, are also available. A new model incorporates a transmitter into a sports bra for women.

Considerations

Take a baseline measure or your resting heart rate, and then calculate what your target heart rates should be for various workouts. A personal trainer, books and online guides can help you determine target heart rates.

Fun Fact

The Zephyr BioHarness is a monitor that can measure heart rate, breathing rate, body temperature, activity and posture. This sophisticated device is used for monitoring patients in remote locations, soldiers and fire fighters, as well as professional athletes. It uses Bluetooth technology, communicating through mobile phones and the Internet.

Resources

• Buying a heart rate monitor

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