The MRIs showed increased blood oxygenation and flow in the brain stem and cerebellum of the stroke survivors who had used the treadmill but not in those who did stretching.
MRI结果显示这些使用跑步机练习的中风患者的血液的含氧量和脑干、小脑的血流都有增加，而使用伸展练习的患者却没有这些改变。
'You can burn up to 130 calories an hour on a shopping trip, ' says Healy. 'All that contorting and pulling items on and off is good for stretching muscles and increasing blood flow, too.
希利说：“一次逛街每小时可消耗最多130卡热量。 试衣服不时地伸手弯腰的所有动作都有利于伸展肌肉，促进血液流通。”
Stretching prior to exercise, but after warming up, helps to promote blood flow to your muscles, increasing flexibility and reducing the chance of getting a new injury or aggravating an old one.
锻炼之前做一些伸展活动，但要在准备活动之后进行，有助于肌肉中血液流动速度的加快，增加肌肉的弹性，减少新伤发生的概率，或避免旧伤的加重。
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