Take at least one rest day a week, by not exercising at all or doing a cross-training activity instead.

每周至少休息一天，并且不要进行任何的锻炼，或者以交叉训练来代替。

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Of course, the most important factor in determining what's the best cross training activity for you is whether or not you like it.

当然，在确定什么是最适合你的交叉培训活动中最重要的因素是你是否喜欢它。

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Swimming is an excellent cross-training activity for running because it's not weight-bearing, so it gives your joints (which take a lot of stress when you're running) a break.

游泳是非常棒的一种交叉训练方式。 因为它不需要承重，能让关节（在跑步的时候可是给承受了很大的压力啊）休息。

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She believed that her training in art was much more than a fun activity.

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"Aerobic exercise is two to three times as effective as any known brain-training activity, " says Sam Wang, Ph.

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The strategy for this training activity will be focused on inventorying.

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And there are steps that we have taken with respect to training activity and other activities in the context of provisional reconstruction teams, and we continue on that.

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