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.
Schematic diagram of the study protocol. Subjects were required to have a stable hematocrit (Hct) for a minimum of 4 weeks during the maintenance (increasing or decreasing) phase before any testing. Similarly, patients were required to complete ≥33 good exercise sessions (92%) before completing post-testing for each training phase. EXT, exercise training.
