Skeletal Muscle Adaptations and Mechanisms of Contraction Quiz

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Questions and Answers

What is a potent stimulus for physiological adaptation in skeletal muscle?

  • Nutritional factors
  • Resistance training
  • Physical activity (correct)
  • Endocrine factors

Which of the following adaptations is NOT associated with exercise training?

  • Muscle hypertrophy
  • Reduced disease risk (correct)
  • Increased fatigue resistance
  • Angiogenesis

What cellular changes result in alterations at the tissue level due to exercise training?

  • Biogenesis of ribosomes (correct)
  • Reduced protein synthesis
  • Increased mRNA synthesis
  • Decreased extracellular matrix remodeling

Which muscle fibre type has high myoglobin and mitochondria content?

<p>Slow twitch (SO) (D)</p> Signup and view all the answers

What contributes to improved fatigue resistance during future sessions of exercise according to the text?

<p>Coordination of skeletal muscle structure and function (B)</p> Signup and view all the answers

What happens to adaptations when the stimulus for adaptation is removed or decreased?

<p>Adaptations reverse (D)</p> Signup and view all the answers

In humans, which muscle fibre type is only found in specialized muscles?

<p>Fast glycolytic (FG) (D)</p> Signup and view all the answers

What is a key process in the adaptations to exercise training at a cellular and regulatory level?

<p>Biogenesis of mitochondria (B)</p> Signup and view all the answers

What is a common consequence of the adaptations in skeletal muscle structure and function?

<p>Improved performance (A)</p> Signup and view all the answers

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