Felicia just began running this past month, but since she continues to run the exact same route and exact same distance every day, she is growing bored with her runs. this principle is known as tedium progression specificity reversibility

The principle is known as tedium

Explanation:

The principle of tedium, which means the state or quality of being tedious is synonymous to boredom. You may experience tedium when you continue performing the same activity repeatedly for a long time because the activity may begin to bore you.

Tedium has its root from a Latin word taedere; taedere means being weary of, and that exactly is what tedium is all about; being bored and weary of it all

Some of the few ways Felicia can prevent being bored is

a progressive heart disease that affects pumping action of the heart muscles.