The correct frequency of exercise in order for it to be effective

     A. at least twice a day. B. a maximum of eight times per week. C. at least seven times per week. D. a minimum of three to five times per week

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.