Heart Rate Reserve & Aerobic Training

Heart rate reserve (HRR) is a term used to describe the difference between a person's measured or predicted maximum heart rate and resting heart rate. Some methods of measurement of exercise intensity measure percentage of heart rate reserve. Additionally, as a person increases their cardiovascular fitness, their HRrest will drop, thus the heart rate reserve will increase. Percentage of HRR is equivalent to percentage of VO2 reserve.

The Heart Rate Reserve is used to calculate the Karvonen Method.

Heart Rate Reserve (HRR) = Maximum Heart Rate (MHR) - Resting Heart Rate (RHR)

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