The answer is evolutionary!
I hope I was able to help. :)
Answer: He should of used the heel of his hand instead of using his fist.
Explanation: Using the heel of your hand is better than using your fist while doing a compression because this allows you to apply more pressure.
Teach them how to play soccer. give them a few polite tips, but never make them feel inferior
Typically Basketball is the main sport that can make you taller, but sports like swimming and cycling are attributes to making you taller as well.