Week 6: Tuesday, Oct 10th_MC
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Questions and Answers

Which of the following is an accurate neuromuscular change associated with aging?

  • Different fiber types are spread more randomly through the muscle
  • More type 1 muscle fibers lost vs type II
  • Fewer and larger motor units (correct)
  • Fewer and smaller motor units

    • Which of the following is an accurate functional consequence of neuromuscular aging?

  • Force steadiness declines for females but not males
  • Force steadiness declines for both males and females across all force levels (correct)
  • Force steadiness declines for males but not females
  • Force steadiness is independent of strength

    • What is the age difference between the young and old adults in the study?

  • 40 years
  • 39 years (correct)
  • 21 years
  • 31 years

    • What is the abbreviation for the study mentioned in the text?

    <p>CV</p> Signup and view all the answers

    What is the force level at which the raw force outputs were measured?

    <p>10% MVC</p> Signup and view all the answers

    What is the reference for the study mentioned in the text?

    <p>Pethick, J., Taylor, M. J. D., &amp; Harridge, S. D. R.</p> Signup and view all the answers

    Which of the following is a consequence of aging on the muscle-tendon unit?

    <p>Muscle fiber atrophy</p> Signup and view all the answers

    What is the definition of sarcopenia?

    <p>The progressive decline of muscle mass and function to a critical low</p> Signup and view all the answers

    Which of the following is a pathological consequence of age-related skeletal muscle weakness?

    <p>Physical frailty</p> Signup and view all the answers

    What are ADLs and IADLs?

    <p>Activities of daily living and instrumental activities of daily living</p> Signup and view all the answers

    What is the estimated prevalence of sarcopenia in the USA?

    <p>More prevalent in females</p> Signup and view all the answers

    What is the difference between sarcopenia and dynapenia?

    <p>Sarcopenia is low muscle mass, while dynapenia is low muscle function</p> Signup and view all the answers

    Which of the following is NOT one of the criteria for frailty according to Fried et al.?

    <p>Unintentional weight gain</p> Signup and view all the answers

    What is the difference between prefrail and frail exercise prescription?

    <p>Less time on balance for frail</p> Signup and view all the answers

    Which clinical measure can distinguish between pre-frail, mildly frail, moderately frail, and severely frail individuals?

    <p>The CSHA Frailty Scale</p> Signup and view all the answers

    What should non-frail older adults follow as exercise recommendation according to the text?

    <p>CSEP 24 hour movement guidelines for older adults</p> Signup and view all the answers

    What is the focus of the exercise program in the study by Bray et al.?

    <p>Functional exercises</p> Signup and view all the answers

    What should be assessed before starting an exercise program according to the text?

    <p>Fall risk</p> Signup and view all the answers

    What is the primary prevention strategy mentioned in the text?

    <p>Incorporating muscle strengthening exercise into an individual's routine</p> Signup and view all the answers

    According to the text, is it ever too late to incorporate muscle strengthening exercise into an individual's routine?

    <p>No</p> Signup and view all the answers

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