Epstein shares a demonstration comparing 1936 sprinter jesse owens with present-day sprinter, usain bolt. what role does biomechanics play in this, and how does it relate to what we learned in the unit?

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)