A heart rate monitor is a device that allows users of exercise machines to check their heart rate whilst training. It usually consists of two elements, a wrist receiver and a chest strap. The chest strap uses electrodes to monitor your heart rate, and if the device is connected to your exercise machine, its console will show your heart rate to you. Wrist receivers usually come in the forms of watches that measure your pulse by calculating the time before blood pumps through your wrist veins. Heart rate monitors are becoming more and more popular and most high-quality exercise machines come with a heart rate monitor of their own.
If you are suffering from heart or blood pressure problems, having a heart rate monitor while training is a must. Not only will you be able to see how your heart handles physical effort, but you will also be able to control your heart rate by adjusting speed settings on the exercise machines. Some treadmills and elliptical trainers come with a built-in heart-rate management system, which automatically slows down the machine if your heart rate is too high. This is useful, as it helps avoid many heart-related problems that used to occur in the past...