The best way to do this exercise, however, is not with your foot on a stool, but rather while lying on your back. This is how Pitchford taught me the hamstring stretch.

而最好的拉伸方法不是把脚放在凳子上，而是你仰卧，这就是Pitchford教我的拉伸后腿腱的方法。

youdao

I like going there on foot. I like exercise.

我喜欢走路到那里去。我喜欢运动。

youdao

In contrast, during the squat type of exercise, the foot is firmly planted on the floor and does not move.

对比，在下蹲练习期间，脚固定在地板上而且不移动。

youdao

Five years before his campaign for president, the then-280-pound, 5-foot-11 governor embarked on a weight-loss and exercise program.

WSJ: The Politics of Gov. Chris Christie's Weight