Question

When should a heart rate monitor be used?

Answer 1

A heart rate monitor should be used for exercise, training, etc. They are often used for workouts or training programs. Use these to record the activity of the heart.

Answer 2

There are two simple, compelling reasons to use a heart-rate monitor: to train and race at the best pace for you. The table below shows you how to find your perfect paces for: (1) the three most important workouts in any training program; and (2) the four most popular road-race distances.

Explanation:

Hope this helps :)