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How to Calculate Heart Rate Reserve

author image Marie Bell
Marie Bell has earned a Bachelor of Science in sports medicine and is currently working toward a Doctor of Medicine. She has a passion for health and wellness and shares her knowledge in her writing.
How to Calculate Heart Rate Reserve
A woman taking her pulse. Photo Credit: gpointstudio/iStock/Getty Images

Heart rate reserve is a term used to describe the difference between your maximal heart rate and your resting heart rate. It can then be used to estimate your aerobic exercise training zone.

Step 1

Estimate your maximal heart rate by subtracting your age from 220.

Step 2

Determine your resting heart rate by placing your index and middle fingers over your radial or carotid pulse and counting the number of pulses in one minute.

Step 3

Subtract your resting heart rate from your maximal heart rate to determine your heart rate reserve.

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