An employee of a local manufacturer is brought to the office with a large laceration to his leg. Before the examination, the manufacturer asks that a urinalysis...

The person who utilize the progression principle will keep adding the difficulty of the exercise that he's doing, while the person who does not, will only stay stagnant.  the person that utilize progression principle, will get a stronger endurance because now his body is conditioned to do harsher routines.{the answer was already on verified)

What? are u trying to do a genetic test?