Motor Unit Recruitment and Muscle Fiber Innervation Quiz
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Questions and Answers

Which type of motor units are recruited first?

  • Fast motor units
  • Larger motor units
  • Medium-sized motor units
  • Smaller motor units (correct)

    • How many muscle fibers do small motor units typically innervate?

  • 10-15 muscle fibers
  • 3-6 muscle fibers (correct)
  • 20-25 muscle fibers
  • 30-35 muscle fibers

    • Which type of muscle fibers do slow motor units innervate?

  • Fast glycolytic muscle fibers
  • Intermediate muscle fibers
  • Slow oxidative muscle fibers (correct)
  • Type IIA muscle fibers

    • What type of muscle fibers do slow motor units initially innervate?

    <p>Slow oxidative muscle fibers</p> Signup and view all the answers

    How many muscle fibers typically do small motor units innervate?

    <p>3-6</p> Signup and view all the answers

    Which type of motor units are recruited first during muscle contraction?

    <p>Smaller motor units</p> Signup and view all the answers

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