A sprinter would have a high proportion of ____, and a marathon runner would have a high proportion of ____.
A) red fibers; white fibers
B) fast-oxidative fibers; slow-oxidative fibers
C) red fibers; fast-oxidative fibers
D) red fibers; slow-oxidative fibers
E) slow-oxidative fibers; white fibers

Question

Quizplus · Accepted Answer

Sprinters typically have a high proportion of fast-oxidative fibers, which are suited for quick, explosive movements. Marathon runners have a high proportion of slow-oxidative fibers, which are more efficient for endurance and prolonged activities.

A Sprinter Would Have a High Proportion of ____, and a Marathon