Respuesta :
A reason for the difference in the lactic acid threshold of athletes P and Q is that P is more physically fit and trained than Q.
The level of effort at which lactic acid, or lactate, starts to build up in the blood is known as the lactic acid threshold. The energy needed for low-intensity exercise can be entirely produced by using oxygen-dependent mechanisms (aerobic), and this can go on forever.
The lactic acid threshold is often reached by well-trained runners at 90% of their maximum heart rate and at a pace akin to that of a half-marathon. The lactate threshold typically occurs for less seasoned runners somewhere below 90% of the maximum heart rate.
One can raise the lactic acid threshold by running intervals. Interval training involves frequently exceeding your lactate threshold while jogging a predetermined distance at your highest speed, followed by a recovery pause. For instance, you might decide to sprint 400 meters around a track.
To know more about lactic acid refer to: https://brainly.com/question/14020608
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