Pair your compatible Forerunner 620 with the HRM-Run to get not only heart rate information but also real-time feedback about your running form. HRM-Run has an accelerometer in the module that measures torso movement in order to calculate 3 different running metrics Cadence : The number of steps per minute. It displays the total steps (right and left combined) Vertical oscillation : The bounce in your running motion. It displays the vertical motion of your torso, measured in centimeters Ground Contact Time : The amount of time in each step that you spend on the ground while running. It is measured in milliseconds
Trustpilot
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