John Is a Sprinter Who Specializes in Quick and Powerful

question 92

Multiple Choice

John is a sprinter who specializes in quick and powerful bursts of speed followed by periods of rest.Jim is a marathon runner who specializes in long,steady runs.Compared to John,Jim is likely to have

• A)More glycogen stored in his type II b muscle fibers
• B)More mitochondria in his type I and II a muscle fibers
• C)More myoglobin in his type II b muscle fibers
• D)Both more glycogen stored in his type II b muscle fibers and more myoglobin in his type II b muscle fibers
• E)Both more mitochondria in his type I and II a muscle fibers and more myoglobin in his type II b muscle fibers

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