ACSM Personal Trainer

Category - Exercise Programming and Implementation

At what level does the anaerobic threshold reach the ventilatory breakpoint in an untrained individual?
  1. At 10% of their maximal aerobic capacity
  2. At 30% of their maximal aerobic capacity
  3. At 55% of their maximal aerobic capacity
  4. At 80% of their maximal aerobic capacity
Explanation
Answer: C - The anaerobic threshold reaches the ventilatory breakpoint in an untrained individual at approximately 55% of their maximal aerobic capacity. In endurance-trained athletes this breakpoint is much higher, at 80-85% their maximal aerobic capacity.
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