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5 Things You Need to Know About Lactic Acid in Muscles

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5 Things You Need to Know About Lactic Acid in Muscles
Woman working out with a personal trainer. Photo Credit Purestock/Purestock/Getty Images

When you train, you gather energy from several sources of fuel found in your body. When oxygen is present, the energy comes from stored glycogen and blood sugar. If you train hard enough, your oxygen level drops and your muscle cells and red blood cells respond by breaking down carbohydrates for energy. The result is the presence of lactic acid and a burning sensation in the muscle. At times, the pain is intense enough to effect performance or stop a session of activity or exercise.

When you train, you gather energy from several sources of fuel found in your body. When oxygen is present, the energy comes from stored glycogen and blood sugar. If you train hard enough, your oxygen level drops and your muscle cells and red blood cells respond by breaking down carbohydrates for energy. The result is the presence of lactic acid and a burning sensation in the muscle. At times, the pain is intense enough to effect performance or stop a session of activity or exercise.

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