如果你像美国疾病控制与预防中心建议的那样，每周适度锻炼150分钟，或者少于150分钟，你可能就不是一个极限运动员。
If you're moderately exercising for 150 minutes a week, as the Centers for Disease Control and Prevention recommends, or less than that, you're probably not an extreme athlete.
研究结果显示，女性需要的运动量要大于目前联邦指南建议的每周150分钟中等强度至高强度运动(相当于每周锻炼五天，每天30分钟)。
The findings suggest women need more exercise than the current federal guidelines of 150 minutes a week, or 30 minutes five days a week, of moderate-to-intense activity.
23个人每天花45到60分钟在跑步机或固定自行车上(锻炼)，每周4天，一共持续了6个月。而另外的10个对照组则只在低心律下进行一些伸展运动。
Twenty-three spent 45 to 60 minutes on a treadmill or stationary bicycle four days a week for six months, while the other 10 "control" subjects did stretching exercises but kept their heart rate low.
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