Based on your physical fitness and health, your doctor may recommend a target heart rate that you must reach and maintain when you exercise. Your doctor will then advise you on the appropriate type and duration of exercise that is advisable at your target heart rate. Through all this, you need a heart rate monitor.
What does it do?
A heart rate monitor is an exercise device that allows a user to measure his or her heart rate while working out. It is very helpful in assessing one's cardiovascular condition and measuring the intensity level of a workout session.
Heart rate monitors usually consist of a transmitter unit strapped to the chest or wrist and a receiver unit. The transmitter records the heart rate and transmits it via radio frequency to the receiver, which comes with a numerical display to display the user's the heart rate.
The device works by detecting heartbeats using electrical signals, electrodes, or infrared waves. Whenever the monitor detects a heartbeat, it sends the data to the transmitter, which converts the data into an electrical signal and delivers it out to the receiver. The receiver records the heartbeats and the intervals between each beat to determine the person's average heart rate which will be displayed on a small LCD screen.
Choosing the best heart rate monitor
There are several kinds of heart rate monitors. There's the infrared-type, chest and hand types.
When buying your own monitor make sure it has a reliable transmission and reception system to avoid interference from other nearby devices. Also, buy one that's comfortable and does not interfere your moves when you exercise. Your best bet is to buy a strap-on model or one that can be mounted on the wall.
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