WK 13: Endurance Exercise
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Questions and Answers

What are some of the modifiable cardiovascular parameters that can limit aerobic performance?

  • Availability of caffeine
  • Bone density
  • Blood O2 carrying capacity (correct)
  • Muscle fiber type
  • Why was the Scottish Athlete unable to continue with about 2 km left in the marathon?

  • Severe fatigue due to physiological factors (correct)
  • He lost his way on the race course
  • Equipment failure
  • Encountered an injury from a fall
  • What plays a significant role in setting limits to aerobic performance?

  • Genetic factors alone
  • Psychological factors
  • Combination of several factors (correct)
  • Environmental factors only
  • How can an athlete potentially prevent severe fatigue during a marathon?

    <p>Maintain adequate hydration and nutrition</p> Signup and view all the answers

    Which factor could potentially change dramatically with different characteristics of exercise, subject, or environment?

    <p>Role of blood flow distribution</p> Signup and view all the answers

    Which of the following is NOT a modifiable cardiovascular parameter that can influence aerobic performance?

    <p>Heart rate variability</p> Signup and view all the answers

    What is a possible contributor to the severe fatigue experienced by the Scottish athlete during the marathon?

    <p>All of the above</p> Signup and view all the answers

    Which of the following environmental factors would most likely affect fatigue during a marathon?

    <p>All of the above</p> Signup and view all the answers

    What is a key physiological factor influencing fatigue during endurance exercise?

    <p>Depletion of energy stores</p> Signup and view all the answers

    Fatigue during endurance exercise is often characterized by decreased power output and

    <p>decreased muscle force production</p> Signup and view all the answers

    Which type of fatigue is most relevant to the Scottish athlete's experience during the marathon?

    <p>Peripheral fatigue</p> Signup and view all the answers

    The factors contributing to fatigue during an 800m track race and a weightlifting competition would

    <p>be different</p> Signup and view all the answers

    What is the primary source of fatigue in anaerobic exercise?

    <p>Hydrogen ions (H+)</p> Signup and view all the answers

    What is the result of tissue oedema in muscle?

    <p>Reduced force output</p> Signup and view all the answers

    Which of the following is a bioenergetic factor that can affect exercise performance?

    <p>Electrolyte balance</p> Signup and view all the answers

    What is the primary factor in the accumulation of metabolites during sprint activities?

    <p>Hydrogen ion (H+) accumulation</p> Signup and view all the answers

    Which of the following can help prevent or alleviate fatigue?

    <p>Proper hydration</p> Signup and view all the answers

    What is the primary cause of acute muscle soreness?

    <p>Irritation of nerve endings</p> Signup and view all the answers

    What physiological factor primarily limits VO2 max during exercise with large muscle groups and normoxia?

    <p>Cardiovascular factors</p> Signup and view all the answers

    What biochemical entity is responsible for impairing muscle performance when anaerobic metabolites accumulate?

    <p>Hydrogen ions (H+)</p> Signup and view all the answers

    At what point does anaerobic energy production yield power during exercise?

    <p>For a limited period of time</p> Signup and view all the answers

    In endurance exercise, what factor is primarily affected when reaching VO2 max limits?

    <p>Cardiovascular capacity</p> Signup and view all the answers

    What significantly contributes to enhancing VO2 max during exercise involving large muscle groups?

    <p>Reduction in lung resistance</p> Signup and view all the answers

    What is NOT considered a primary limiting factor for VO2 max in normoxic conditions?

    <p>Lung resistance</p> Signup and view all the answers

    What are the possible factors involved in limiting Aerobic Exercise Performance?

    <p>Cardiorespiratory fitness and muscle fatigue</p> Signup and view all the answers

    How can acute muscle soreness be differentiated from fatigue?

    <p>Fatigue can occur during exercise, while muscle soreness is felt post-exercise</p> Signup and view all the answers

    What is the relationship between the GAS theory and fatigue?

    <p>GAS theory is linked to adaptation and maladaptation in performance, which can lead to fatigue</p> Signup and view all the answers

    Where can fatigue originate in exercise?

    <p>At various loci within the body, including neural, metabolic, and biomechanical systems</p> Signup and view all the answers

    What could be a possible remedy to prevent unwanted fatigue in exercise?

    <p>Proper warm-up and cooldown routines</p> Signup and view all the answers

    How do different environmental factors, such as cold weather and altitude, affect fatigue during endurance exercise?

    <p>They can increase fatigue by imposing additional stress on the body's systems</p> Signup and view all the answers

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