The reason I exercise is for the quality of life I enjoy.

So I've broadened the fitness concept to make it one of moderation and balance.

We are involved in youth testing internationally. We want to try to prove without a shadow of a doubt the relationship between physical fitness and health, not just physical fitness and ability to perform.

The reason I exercise is for the quality of life I enjoy.

Now I say that if you run more than 15 miles a week, it's for something other than aerobic fitness. Once you pass 15 miles, you do not see much further improvement.

According to the Gallup Poll, 24 percent of American adults exercised regularly in 1961, and 50 percent after 1968. The peak was 59 percent in 1984, dropping off to 51 percent last September.

Aerobic dancing is already adjusting to injury problems and will probably phase out to some extent.