Discussion
Static lung volumes ......................
Answer: B
Static lung volumes cannot predict exercise performance.
Static lung volumes, such as vital capacity, tidal volume and residual volume, are measured at rest. They depend largely on body size, age and sex, and in healthy people they are not a limiting factor in exercise, since ventilation can rise far more than the oxygen transport system needs.
So athletes and untrained people of the same size have similar static lung volumes, and these values do not predict endurance performance. Statements that they are larger for the untrained or lower for the trained are therefore wrong.
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