As our bodies perform strenuous exercise, we begin to breathe faster as we attempt to shuttle more oxygen to our working muscles. The body prefers to generate most of its energy using aerobic methods, ...

Lactic acid build-up causes a burning sensation in your muscles during intense exercise. Lactic acid is not responsible for sore muscles the day after exercise, contrary to popular belief. To get rid ...

Lactic acid. Also know as the “burn” you feel on that last rep or final sprint, most athletes see it as a workout’s worst enemy, the cause of muscle soreness and fatigue. But what if everything you ...

As many of us hit the gym or go for a run to recover from the silly season, you might notice a bit of extra muscle soreness. This is especially true if it has been a while between workouts. A common ...

Aug. 23 -- When U.S. swimmer Natalie Coughlin reached the final 15 meters of the 100-meter backstroke competition in Athens, she felt her body scream. "That last 50 hurt a lot," she said, after ...

Lactic acid is a substance your body makes as your cells use glucose or other carbs for energy. This also leads to the formation of lactate. Your muscles make a lot of lactic acid, but any of your ...

When it comes to exercise and lactic acid, there are a lot of misconceptions. For example, many people blame lactic acid for delayed onset muscle soreness (DOMS)—the soreness you feel a couple of days ...

An exercise physiologist explains lactic acid, and it's impact on our bodies. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. What is lactic acid ...

Lactic acid was once believed to be the cause of sore muscles after exercise. It’s not. Another substance, lactate, contributes. However, what causes muscle burn and pain is more complex. Staying ...

Find out more about lactate and how this incredible molecule plays many important roles in the body. Discover how you can use lactate as a preferential fuel source, how lactate may actually reduce ...