How to calculate target heart rate zone?
2 days agou2002·u2002Your heart rate zones are: Zone 1: Heart rate between Maximum heart rate * 0.6 and Maximum heart rate * 0.7. Zone 2: Heart rate between Maximum heart rate * 0.7 and Maximum heart rate * 0.8. Zone 3: More than Maximum heart rate * 0.8. Example: Jimmy is 30 years old and his estimated maximum heart rate is 220-30=190.
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