[RELATED LINK] How Your Heart Rate Affects Your Health
It’s a figure that’s typically calculated by subtracting your age from 220; most cardio machines figure it out that way — that's why it asks you to input your age before you start moving.
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But, it turns out calculating your target heart rate may require an entirely different process. Head over to Women’s Health to learn more. Your body will thank you for it. (Women's Health)
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