Keep the aerobic session at one hour, but don't get too comfortable.

She gradually regained her strength through three months of hydrotherapy, followed by low-impact aerobic sessions and weight training.

It costs $675 and includes daily breakfast, at least one spa treatment and a daily yoga or aerobic session for each person.

Keep the threshold session at 25 minutes and the aerobic session at one hour, but don't get too comfortable.

There will even be a chance to join in some aerobic sessions.

In general, to achieve maximum benefits, you should gradually work up to an aerobic session lasting 20 to 30 minutes, most days of the week.

Two 45-minute aerobic sessions are also on the cards.

"I use a video at home to do my aerobic sessions."

Finally, increase the remaining 45-minute session to a one-hour aerobic session of your choice.

In general, to achieve maximum benefits, you should gradually work up to an aerobic session lasting 20 to 30 minutes, at least three to four times a week.