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Heart Rate Reserve

55 bytes removed, 17:49, 13 March 2014

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{{DISPLAYTITLE:Heart Rate Reserve (HRR)}}

[[File:HeartRateSimplified.png|right|thumb|500px|A simplified chart of heart rate against exercise intensity showing [[Maximum Heart Rate]], [[Heart Rate Reserve]], [[Resting Heart Rate]] and [[Heart Rate Deflection]].]]

[[Heart Rate]] Reserve (HRR) is the difference between your [[Maximum Heart Rate]] (HR_max) and [[Resting Heart Rate]] (HR_rest). Exercise intensity can be evaluated by comparing your heart rate as a percentage of HRR. =Calculating Heart Rate Reserve=The calculation to work out %HRR is (HR_ex – HR_rest)/(HR_max – HR_rest), where HR_ex is the exercise [[Heart Rate]]. For example so a HR_max of 180, a HR_rest of 40 and HR_ex of 140 would be (140 – 40)/(180 – 40), which is 71%. =Why %HRR rather than %HR_max=Using %HRR is better than a percentage of HR_max. as it reflects the relative intensity more accurately. For example, if two athletes both have a HR_max of 180, but one has a HR_rest of 40 and the other 70, at HR_ex of 140would be same %HR_max, but one is at 64 %HRR and the other is at 71 %HRR.=Estimating percent [[VO2max|V̇OHowever, for '''HRR to be of value, you have to test your HR_2maxmax, as it cannot be calculated'''. Most [[Heart Rate Monitors]]=It is possible to estimate the percent of [[VO2max|V̇Owill display your %HRR if you input your HR_2maxmax]] from the percent of HRR using the formula %[[VO2max|V̇Oand HR_2restmax]] = (%MHR - 37) / 0.64 

=See Also=

* [[Maximum Heart Rate]]

* [[Resting Heart RateReserve]]

* [[Pulse Oximeter]]

* [[Heart Rate Deflection]]

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