Which of the following would not be considered a surgical error
Operating on the wrong body part
receiving the incorrect medication while recovering from a surgery
an accidental injury inflicted by the health care team during surgery
A medical team failing to follow the standard procedures during surgery

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)