Because if you strain a muscle or hurt your back, then you won't be able to exercise for a couple weeks. Right?

因为如果你拉伤肌肉或伤了背部，之后几周都没法运动了，对不对？

youdao

Stretching prevents muscle strain, gets your blood pumping, and can help lower cholesterol when done as part of a yoga or pilates routine.

热身可以防止肌肉拉伤，可以加快血液流动，并且能降低胆固醇，效果可以跟瑜伽和普拉提课程相提并论。

youdao

IT WAS NOT a PULL, but more a strain of my hamstring muscle.

我并没有拉伤，更像是跟腱肌肉紧张。

youdao

The all-rounder sustained a muscle strain in his hip in the drawn third Test at St John's last week.

BBC: Flintoff to return home from tour

Malisse suffered a muscle strain in his left leg and withdrew from the event as a precaution ahead of next week's Australian Open.

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The 30-year-old sustained a muscle strain in his right hip in the drawn third Test at St John's and returned to England for further treatment.

BBC: Flintoff to rejoin England squad