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144. Threshold Training Explained, New Studies on Supershoes, and HILL BEASTS!

Some Work, All Play

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The Science and Translation of Lactate Shuttle Theory

Aerobically fit athletes can use the pyruvate as fuel, thus decreasing the amount that can turn into lactate. Lactate can be returned to the mitochondria and fit individuals via a lactate shuttle enabling lactate to be utilized as fuel. The more fit we are, the more lactate we can shuttle back into the mitochondria to use as fuel. A new study just came out on what training approach optimizes this lactate shuttling system.

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