Neuromuscular Exercise Physiology Quiz
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Questions and Answers

What is the concept of central fatigue related to?

  • Reduction of motor unit activation (correct)
  • Excitation-contraction coupling failure
  • Neuromuscular junction 'failure'
  • Effect of metabolites on crossbridge function
  • What does peripheral fatigue affect?

  • CB function
  • Muscle fiber (Sarcolemma, SR, CBs) (correct)
  • Brain and Spinal cord
  • Motoneurons (Signal transduction)
  • What is the effect of fatigue on force-velocity and power-velocity relationships?

  • Reduced ISOmax
  • Reduced Vmax (correct)
  • Reduced number of cross-bridges
  • Reduced rate of cross-bridge cycling
  • Which part of the body is associated with central fatigue?

    <p>Brain and Spinal cord</p> Signup and view all the answers

    What is the concept of peripheral fatigue related to?

    <p>Effect of metabolites on crossbridge function</p> Signup and view all the answers

    Study Notes

    Types of Fatigue

    • Central fatigue is related to the central nervous system (CNS), involving the brain and spinal cord.
    • Peripheral fatigue affects the peripheral nervous system (PNS), involving the muscles and nerves outside the CNS.

    Effects of Fatigue

    • Fatigue affects the force-velocity and power-velocity relationships, altering the body's ability to produce force and velocity.

    Central Fatigue

    • The brain is the part of the body associated with central fatigue.

    Peripheral Fatigue

    • Peripheral fatigue is related to the muscles and peripheral nervous system, affecting muscle function and neural transmission.

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    Description

    Test your knowledge of muscle fatigue and central fatigue with this quiz based on the lecture material from KINESIOL 2C03: Neuromuscular Exercise Physiology. Learn about the sites of muscular fatigue and the reduction of motor unit activation.

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