I find it really hard to drag myself out and exercise regularly.

我发现实在很难强迫自己定期出来锻炼。

People exercise regularly can still enjoy good health in their later years.

经常运动的人在他们晚年的时候仍然能保持身体健康。

We need to exercise regularly.

我们需要经常锻炼。

Do you exercise regularly?

你经常锻炼吗？

Secondly taking exercise regularly.

其次，要经常锻炼。