Which of the following is NOT a key factor that affects the provision of activities? A. Popularity
B. Weather
C. Geographical Location
D. Accessibility

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.

Well i guess u know a lot of that, huh? that's nasty of me, isn't it? lol

Answer its calculated by subtracting your age from 220;