The proportion of white muscle fibers that sustain anaerobic to red muscle fibers that sustain aerobic activity in sprinters is likely to ____.

Question

Quizplus · Accepted Answer

Sprinters rely more on anaerobic metabolism for short, intense bursts of activity, which is supported by white muscle fibers. Marathon runners, on the other hand, depend more on aerobic metabolism for endurance, supported by red muscle fibers. Therefore, sprinters are likely to have a higher proportion of white muscle fibers compared to marathon runners.

The Proportion of White Muscle Fibers That Sustain Anaerobic to Red