Start with 180 minus your age (a) for the fat burning zone upper limit target heart rate (z).
用180减去您的年龄,得到脂肪燃烧区的上限值。
It is burning in your own heart and it is only asking you to focus your attention upon it again.
它正在你自己的心中燃烧,并且它只要求你再次在它身上集中你的注意力。
Heart rates around 55-60% of your maximum heart rate (220-(your age)=maximum heart rate) for a period of at least 30min is optimal for just burning fat.
心脏跳动幅度在你最大心率(最大心率 =220- 你的年龄)的 55% 到 60% 之间持续 30 分钟的时候,是燃烧脂肪的最佳时期。
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