Many Teens Would Flunk Treadmill Tests

it's like comfort in car ads.

fitness exists and is whatever it is the test says it is.

as you can see, we are measuring it.

we do the measuring activities.

we have meters.

fitness is to good health as phlogison is to fire, namely whatever it is that causes it.

it's called reification.

scientists do it all the time.

About 14 percent of the adults showed a poor level of fitness,