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One of the studies divided a group of seniors into two different six-month exercise courses one course consisting of aerobic exercise, the other consisting of stretching and toning.
其中一項研究將老人們分為兩組：一組做有氧運動;另一組做伸展和無氧拉伸，為期6個月。
Again, we'renot talking about marathon-training here.
重申一次，運動量均為適度而非馬拉松式。
The aerobic-training course gradually built its participants up to walking 45 minutes at a moderate pace three times a week.
有氧運動組逐漸讓老人們養(yǎng)成了每周三次，每次正常走路45分鐘。
At the end of the course, the people who completed the aerobic training showed significant improvements in attention-related mental tasks.
有氧運動訓(xùn)練結(jié)束后，參與者在注意力相關(guān)的智能測試表現(xiàn)明顯有了提升。
The stretching and toning group showed little improvement.
而伸展和拉伸小組受訓(xùn)前后無明顯差異。
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