Performing a 300 yard shuttle

An athlete is performing a 300 yard shuttle lasting 1 minute and 45 seconds. The first sprint, the athlete feels like they can do this all day. At About the 150 yard mark, the athlete starts to feel burning in his legs. This is commonly blamed on Lactate, however we now know that H+ play a critical role in metabolic acidosis. Explain, in detail, why the athlete is feeling the tired, heavy burning feeling in his legs. (Be sure to include what system we are using, the duration of that system, what his happening to H+ transporters and how pyruvate helps us out and what then happens when the intensity eases- Hint: Enzyme that we can train)

Sample Solution

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