Heart rate - Wikipedia, the free encyclopedia
Heart rate is the number of heartbeats per unit of time - typically expressed as beats per minute - which can vary as the body's need for oxygen changes, such as during exercise or ...

Target Heart Rates
Heart Rate 100 % 20 years: 100–170 beats per minute: 200 beats per minute: 25 years: 98–166 beats per minute: 195 beats per minute: 30 years: 95–162 beats per minute

Resting Heart Rate
This is a person's heart rate at rest. The best time to find out your resting heart rate is in the morning, after a good night's sleep, and before you get out of bed. Resting ...

heart rate: Definition from Answers.com
heart rate n. ( Abbr. HR ) The number of heartbeats per unit of time, usually expressed as beats per

Heart Rate Basics
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Target Heart Rate Calculator
Find out your target heart rate zone and how to monitor exercise intensity

Heart rate definition - Medical Dictionary definitions of popular ...
Online Medical Dictionary and glossary with medical definitions

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heart rate - definition of heart rate in the Medical dictionary - by ...
rate (rāt) the speed or frequency with which an event or circumstance occurs per unit of time, population, or other standard of comparison. basal metabolic rate an expression of ...

Heart rate
Heart rate is a term used to describe the frequency of the cardiac cycle. It is considered one of the four vital signs. Usually it is calculated as the number of contractions ...