CanFitPro Personal Training Specialist Practice Test

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Prepare for the CanFitPro Personal Training Specialist Exam with our comprehensive test. Dive into a range of questions designed to sharpen your knowledge and skills for the certification. With detailed explanations and study aids, you will be well-prepared to achieve success!

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What is a characteristic of slow twitch muscle fibers?

Produce a great deal of force quickly
Contract quickly and fatigue quickly
Have a high amount of mitochondria and are resistant to fatigue
Work only anaerobically

The correct answer is: Have a high amount of mitochondria and are resistant to fatigue

Slow twitch muscle fibers have a high amount of mitochondria, which allow them to produce energy aerobically and sustain prolonged muscle contractions. They are also resistant to fatigue due to their high endurance capabilities compared to fast twitch muscle fibers. The other options, such as A and B, are more characteristic of fast twitch muscle fibers, which contract quickly but tire out more easily. Option D is incorrect because slow twitch muscle fibers primarily work aerobically, using oxygen to create energy rather than relying on anaerobic respiration.