Which type of skeletal muscle fiber typically has a smaller diameter?
A) Type I
B) Type II

Question

Quizplus · Accepted Answer

Type I fibers, also known as slow-twitch fibers, typically have a smaller diameter compared to Type II fibers, also known as fast-twitch fibers. This is because Type I fibers are designed for endurance activities that require sustained muscle contractions over a long period of time, whereas Type II fibers are designed for brief, high-intensity activities such as sprinting or powerlifting.

Which Type of Skeletal Muscle Fiber Typically Has a Smaller