So is the primary takeaway of the USA Track and Field study that, whatever you're doing now in terms of stretching or not stretching, don't stop?

那么这是美国田联的研究是不是主要就说明，无论你现在是拉伸还是不拉伸，请继续保持原状？

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Or, when you have to take the kids to soccer or swimming, take their workout time to run the soccer field or around the school track instead of sitting on the sidelines.

或者，当你必须带孩子去踢足球或游泳时，你可以利用这个时间绕着足球场或校园的小路跑几圈而不是在边上干坐着。

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It is a tantalising possibility that this behavior could spread before our very eyes — over a field season or two — and that we could track that spread.

他补充说，“这种行为很有可能在一到两个季度内在我们眼前扩散，这样我们就可以跟踪扩散的过程了。”

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And for sports for which multiple events are happening at the same time, such as gymnastics or track and field, the app also will provide concurrent streams to let you watch multiple events at the same time.

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No current British or Irish athletics competitor - that is, a cyclist, track and field athlete or swimmer - made the top 100 in the year of the London Olympics.

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Whether those stellar successes will overshadow or inspire the track and field deeds of the next week no-one is yet quite sure.

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