When you're ready, try to exercise a little longer at a time.

We must exercise responsibility not just at home but around the world.

They are a great way to play, and exercise a dog at the same time.

You will probably exercise at the lower end of your target heart rate.

It is exercised at three levels, as I have said.

No part of it had been exercised at 31st March 1991.

Don't try to exercise at your former level; instead, do what's most comfortable for you now.

Several of these options may be exercised at one time.

And the opportunity to exercise that chance at his own pace.

One reason is that people exercise at different levels of intensity.