Which of the following would be a mechanistic answer to the question "Why are sprinters fast over short distances?"
A) by definition, a sprint can not be over 200 yards
B) because they use up all of their energy
C) because they have a high concentration of muscle fibers that produce a large amount of power, but fatigue quickly
D) because they become mentally fatigued over longer distances and quit running.

Question

Quizplus · Accepted Answer

This answer provides a mechanistic explanation for why sprinters are fast over short distances by identifying the physiological characteristics that contribute to their performance. Specifically, it highlights the high concentration of muscle fibers that produce power but fatigue quickly. The other answer choices do not provide mechanistic explanations and/or are incorrect.

Which of the Following Would Be a Mechanistic Answer to the Question