The correct answer is <span>A. eccentric muscle loading and concentric contraction
It involves eccentric muscle loading which is followed by powerful and explosive concentric contractions.</span>
It's important to have performance tests, because it can show the athletes of their strengths and weaknesses are, how to perform better, and reaching towards a higher goal in the long run!
Take for example dancers, if dancers didn't have evaluations, they wouldn't know how to improve on their dancing!
I hope this helps!