Compare and contrast the difference in a persons cardiovascular fitness between an exercise program that utilizes the progression principle and one that does not

A sample response follows: People who utilizes the progression principle will ensure their exercise program increases in frequency, intensity, time, and type. The changes need to happen gradually in order to ensure they make gains in their fitness program. A person who doesn't utilize the progression principle can still gain health benefits from exercising, but will not continue to improve in cardiovascular fitness.

not quite sure but i think its