Tina’s three-year-old neighbor presents to the clinic with fever, neck pain, headache, and confusion. he has no symptoms of an upper respiratory infection. the parents mention that they do not believe in immunizations. based on the information given, what diagnosis is of the greatest concern? what is your next action?

The answer would be fracture.

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)