Figure 1.
Fundamental elements of the exercise protocol. Intensity, duration, frequency, and modality are the four key components of an exercise protocol. Further variants of these subgroups can be used to refine the form of training.
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.