Principles of Reversibility and Detraining in Athletes
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Questions and Answers

What is the unit used to measure the energy expended by individuals engaging in physical activity or exercise?

  • Calories
  • Oxygen in mL consumed per kg of bodyweight per minute
  • METS
  • Kilocalorie (correct)

How is 1 MET defined?

  • Energy expended during jogging
  • Energy expended at rest (in sitting) (correct)
  • Energy expended while cycling uphill
  • Energy expended while walking up stairs

Which activity falls under the category of mid-activity with MET values between 4-6?

  • Running
  • Skipping
  • Cycling (Moderate) (correct)
  • Cycling (Vigorous)

What is the range of MET minutes per week recommended by WHO guidelines for most health gains achieved?

<p>3000-4000 (A)</p> Signup and view all the answers

How is energy expenditure measured in METs?

<p>Oxygen in mL consumed per kg of bodyweight per minute (C)</p> Signup and view all the answers

Which activity is classified as a heavy activity with MET values between 7-8?

<p>Cycling (Vigorous) (B)</p> Signup and view all the answers

What is the main difference between muscular endurance and aerobic endurance?

<p>Muscular endurance focuses on the ability of muscles to generate maximal resistance, while aerobic endurance focuses on the ability to perform large muscle dynamic exercises. (D)</p> Signup and view all the answers

Which type of muscle fibers are characterized by high resistance to fatigue and a lot of oxygen supply?

<p>Type II A muscle fibers (D)</p> Signup and view all the answers

What is the main energy system associated with Type II A muscle fibers?

<p>Anaerobic (B)</p> Signup and view all the answers

Which muscle type has a higher twitch rate and larger diameter compared to Type II A muscle fibers?

<p>Type 2B muscle fibers (C)</p> Signup and view all the answers

What is the main characteristic that distinguishes postural muscles from other muscle types?

<p>Resistance to fatigue (C)</p> Signup and view all the answers

Which muscle fiber type has slower contraction rates and smaller diameters compared to Type II A muscle fibers?

<p>Type I (Tonic) muscle fibers (B)</p> Signup and view all the answers

What is the main consequence of deconditioning after 2 weeks?

<p>Decrease in muscle strength (B)</p> Signup and view all the answers

Which type of athletes experience more detraining according to the text?

<p>Power sports athletes (D)</p> Signup and view all the answers

What physiological change is associated with the reattainment of strength when an athlete returns to training?

<p>Increase in capillary density (B)</p> Signup and view all the answers

How does the FITT method affect the reliance on phosphocreatine and ATP in skeletal muscles?

<p>Reduces reliance on phosphocreatine and ATP (C)</p> Signup and view all the answers

How is overload increased according to the text?

<p>By reducing rest time (C)</p> Signup and view all the answers

What factor determines the appropriate intensity of exercise according to the text?

<p>Overload and specificity principle (C)</p> Signup and view all the answers

What is the recommended frequency for aerobic capacity training according to ASCA guidelines?

<p>2-3 days per week (A)</p> Signup and view all the answers

What is the intensity range recommended for aerobic interval training?

<p>70-85% MAS (B)</p> Signup and view all the answers

What does the term 'Rate of Perceived Exertion (RPE)' refer to in exercise physiology?

<p>A subjective tool to determine exercise intensity (A)</p> Signup and view all the answers

How should the intensity of an activity be adjusted for clients based on 'specificity' according to the text?

<p>Adjust intensity to mimic client's capabilities (D)</p> Signup and view all the answers

What is the purpose of using the 'Talk Test' according to ACSM recommendations?

<p>To determine if the exercise is too difficult for the individual (D)</p> Signup and view all the answers

Why is it more important for aerobic activities to be time-dependent rather than day-dependent?

<p>To focus on cumulative duration per week rather than specific days (D)</p> Signup and view all the answers

What is the general optimal heart rate range for a session?

<p>60-70% MHR (B)</p> Signup and view all the answers

How does greater intensity affect the duration of work?

<p>Shortens it (B)</p> Signup and view all the answers

What does specificity of training refer to?

<p>Adaptations in metabolic and physiological systems (B)</p> Signup and view all the answers

How should progression in an aerobic endurance exercise program initially be managed?

<p>Not increase frequency, intensity, or duration more than 10% each week (B)</p> Signup and view all the answers

Which training method involves the interaction of aerobic and anaerobic ATP production?

<p>Continuous training (D)</p> Signup and view all the answers

What is the most effective way to improve endurance according to the text?

<p>Continuous submaximal exercise sustained throughout training period (B)</p> Signup and view all the answers

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