Muscle Training Article & Quiz

What are the major factors that influence athletic performance?

• Endurance and strength

• Height and body composition

• All of the above

• Injury susceptibility and response to training

Which type of muscle fiber contracts slowly but can keep contracting without fatigue for a long period of time?

• Fast twitch B fibers

• None of the above

• Slow twitch fibers

• Fast twitch A fibers

What is the main fuel source for slow twitch muscle fibers?

• Creatine phosphate

• Triglycerides

• Glycogen

• Mitochondria

Which type of muscle fiber is used for short term anaerobic activities that require a big burst of explosive power?

• Slow twitch fibers

• Fast twitch B fibers

• Fast twitch A fibers

• None of the above

What is the difference between slow twitch and fast twitch B fibers in terms of ATP creation and breakdown?

• Slow twitch muscles create ATP slowly and break it down quickly

• Fast twitch B fibers create ATP slowly and break it down quickly

• Fast twitch B fibers create ATP quickly and break it down slowly

• Slow twitch muscles create ATP quickly and break it down slowly

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What can be changed through training in terms of muscle fibers?

• The proportion of slow and fast twitch muscle fibers

• The efficiency of muscle fibers

• The size of muscle fibers

• All of the above

Which type of training leads to hypertrophy of fast twitch muscle fibers?

• Strength and power exercises

• Balance and coordination exercises

• Flexibility Exercises

• All of the above