The DSM-V is used universally in psychology. Discuss what it is and the benefits and
liabilities of having this book

C) all of the above hope this

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.