How should you use a heart rate monitor?
Measure your heart rate before, during, and after workouts
If they are regarding more serious matters than it would be criminal, if it was something like your roommate didn't pay his or her share of the rent it would be civil.
Answer: Use your maximum heart rate.
Explanation:
To set your intensity level, you need to use your maximum heart rate, which is determined by subtracting your age froom 220.
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Probably to save money for something.