If you're really unsure about whether you should be running, play it safe and give yourself a couple days of rest - you won't lose much fitness at all.

如果你实在无法确定自己时候应该跑步，应在确保安全的前提下并给自己几天休息的时间——这并不会让你损失多少健康。

youdao

Ask yourself what makes fitness fun.

问问自己什么使健身变得有趣。

youdao

If you don't have a nutrition plan for your fitness routine, you're doing yourself a pretty big disservice when it comes to getting the results that you desire.

如果你的健身计划中没有涉及营养内容，当你的训练目标实现时你会对自己造成相当大的伤害。

youdao

Dragging yourself to the gym in the wee hours of the morning already takes a heaping helping of dedication, but fitness equipment manufacturer Precor is betting that it can provide additional motivation with its new iOS app: Preva Mobile.

ENGADGET