Define power and explain the role it plays in performance.

Can you explain the question better?

Just try to give them some space. don’t cut them off completely or else they could become jealous, just give them some space and time to think. hope this .

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)