What Are the Primary Differences Between the Slow Twitch (ST)muscle

question 10

Multiple Choice

What are the primary differences between the slow twitch (ST) muscle fibers and the fast twitch (FT) muscle fibers?

• A) ST fibers are designed for endurance; FT fibers are designed for speed,strength,and power
• B) ST fibers are small and have few mitochondria; FT fibers are vascular and contract at lower speeds
• C) ST fibers allow for anaerobic work; FT fibers allow for aerobic work
• D) ST fibers have high levels of myosin adenosine triphosphatase (ATPase); FT fibers have low levels of myosin ATPase