A. A warm-up
It prevents muscle injuries and increases blood flow to the muscles
Well honestly the question is more complicated than the answer, in the simplest form just be considerate on ones emotional and physical pain. Whenever you are working, be kind respectful, and try your best. That’s the most you can do as a singular person
Explanation:
You are increasing your speed
When we are little we see the way our parents or elders act and that tells our brain that is the correct way to act. As we grow up the things they tell us we will become is what we think will happen and so we do that in fear that we will disappoint them.