The main health problem demonstrated in this graph is that ___ leads to a shorter life span.
One way that schools can help solve this problem is to _.

t h e

a n s w e r

i s

i n

t h e

p i c t u r e.

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.