Paul Collins, M.D., an orthopedic surgeon specializing in sports medicine at Orthopedic Health Care in Boise, wrote an interesting article at Idahostatesman.com about lactic acid threshold.
In the article he says:
For many years, scientists thought lactic acid was a detrimental byproduct of exercise, but this is not the case. It turns out, the body uses lactic acid as a fuel to produce energy without oxygen.
You can read the rest of the article here.
A New York times article also confirms this. In an article called Lactic Acid is Not Muscles’ Foe, It’s Fuel the author states:
Lactic acid is actually a fuel, not a caustic waste product. Muscles make it deliberately, producing it from glucose, and they burn it to obtain energy. The reason trained athletes can perform so hard and so long is because their intense training causes their muscles to adapt so they more readily and efficiently absorb lactic acid.
The notion that lactic acid was bad took hold more than a century ago, said George A. Brooks, a professor in the department of integrative biology at the University of California, Berkeley. It stuck because it seemed to make so much sense.
He also noted:
…Even though coaches often believed in the myth of the lactic acid threshold, they ended up training athletes in the best way possible to increase their mitochondria. "Coaches have understood things the scientists didn't," he said.
Through trial and error, coaches learned that athletic performance improved when athletes worked on endurance, running longer and longer distances, for example.
That, it turns out, increased the mass of their muscle mitochondria, letting them burn more lactic acid and allowing the muscles to work harder and longer.
Finish reading the article here.
In the following days I will provide some exercises you can make to increase your lactic acid threshold.
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