Tom displays very odd behavior. He wears a heavy parka and mittens during the summer and lectures from the steps of City Hall about upcoming invasions by men
from outer-space. Most likely, Tom has a psychological disorder since his behavior
meets the criterion of ?

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.