Describe the similarities and differences between an exercise and diet program that can improve bone health for a 16 year old boy and a program for 25 year old women?

Answer: pathogensstep by step solution:

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)