Question

Marathon runners:

Answer 1

Answer:

c

Explanation:

marathon runners tend to have more slow-twitch muscle fibers, while sprinters will have more fast-twitch muscle fibers which allow faster movment but does not last as long while marathon runners have more paced and can last a long time.

Answer 2

Answer:

C.tend to have more slow twitch-muscle fibers

Explanation:

muscle fibers are focused on smaller movements, posture control, and fatigue resistance all of witch contribute to marathon runners.