Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Physicians and physiologists agree that ability to utilize oxygen during effort is the most reliable indication of physical fitness. This article describes the findings of a study done at the Fitness Institute in Toronto on individuals before and during a fitness program. Results are categorized in nine-year sections and the fitness level of any given age group can be determined.
PDF (730.3 KB)
