Aerobic exercise: how much? how often, When to exercise, Measuring your heart rate – Fitness Quest 482u User Manual

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Aerobic exercise: how much? how often, When to exercise, Measuring your heart rate | Fitness Quest 482u User Manual | Page 10 / 13 Aerobic exercise: how much? how often, When to exercise, Measuring your heart rate | Fitness Quest 482u User Manual | Page 10 / 13
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