Which would be especially important when running up a flight of stairs at full speed?
A) fast-twitch muscles
B) slow-twitch muscles
C) smooth muscles
D) intermediate muscles

Question

Quizplus · Accepted Answer

Fast-twitch muscles generate quick and powerful contractions, making them better suited for activities that require sudden bursts of speed, such as running up a flight of stairs at full speed.

Which Would Be Especially Important When Running Up a Flight