Following Physical activity, what is the most important indicator of fitness?

Following Physical activity, what is the most important indicator of fitness? thanks for your help.Following Physical activity, what is the most important indicator of fitness?The most important indicator of fitness is the individuals well being. For example before fitness a person health will be below average. They also may be insecure of there appearance. Incorporating fitness in everyday life has a every lasting effect. No only will you be able to do physical activity without being out of breath you will be more confident in yourself also fitness will help you live longer .Following Physical activity, what is the most important indicator of fitness?The time it takes for your heart rate to return to its resting state after exercise is a good indicator. The quicker this happens the fitter you are. Also, the fitter you are the lower your resting heart rate becomes with exercise.