The Proportion of Fast and Slow-Twitch Fibers Found in an Individual's

question 5

Multiple Choice

The proportion of fast and slow-twitch fibers found in an individual's quadriceps muscle is primarily determined by the

• A) individual's diet.
• B) number of hours the individual spends each week engaged in anaerobic activity,like weightlifting.
• C) individual's genetics.
• D) number of hours the individual spends each week engaged in aerobic activity,like running or cycling.