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.
The diagram illustrates how the subcohorts of our study were created. Based on our inclusion criteria and exercise level classification, 128 incidence cohort subjects and 33 normal cohort subjects were included. *The exercise level classification, which is outlined in table 1, was formulated prior to analysis with the goal of comparing frequent higher impact exercisers, frequent lower impact exercisers, and sedentary individuals.
