Tony decides he would like to try adding rollerblading into his regular bike riding routine. which training principle is tony applying?

Tony is applying the learning principle

Is there any choices ?

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.