1) Imagine a recreationally active individual who has trained over several months to participate in a 10K race. They anticipate (based on their training times) that the 10K distance will take them ~60 minutes to complete. The race will take place on a cool autumn day, and the individual expects to be performing at ~50% of their maximal aerobic capacity. a. What would be the predominant energy production method, Aerobic, or Anaerobic? Aerobic Name 3 bioenergetic pathways that are active for the majority of this activity? b. As the duration of the race goes on, what energy substrate would be contributing more and more (ie, CHO, Protein, or Fat)? c. What would happen to blood lactate concentrations during the race? d. What if instead of a cool autumn day at 50% of their capacity, this athlete raced in the middle of a hot summer at ~80% of their maximal aerobic capacity? What would happen to oxygen consumption and lactate during this race? e. Immediately following the race, what happens to the athlete’s oxygen consumption rates, and why?
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