CanFitPro Personal Training Specialist Practice Test

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Study for the CanFitPro Personal Training Specialist Test. Prepare efficiently with flashcards and multiple-choice questions, complete with hints and explanations. Ace your exam with ease!

Each practice test/flash card set has 50 randomly selected questions from a bank of over 500. You'll get a new set of questions each time!

Practice this question and more.

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.