Add Yahoo as a preferred source to see more of our stories on Google. woman on a treadmill doing a lactate threshold test During intense or prolonged exercise, muscles can feel like they’re burning ...

A solid metric to know, considering its influence on race performance. Many coaches argue that lactate threshold is one of, if not the, biggest performance predictor. It determines how fast you can ...

Runners have long feared lactic acid. We've always viewed it as something that tires us out during a race and makes us sore afterward. In high school, I can remember my buddy Jeff propping his legs up ...

Q. I am a young cyclist trying to race semi-pro in the national mountain-bike series. I need to improve my VO2max and lactic-acid threshold. What sort of training should I do? - Evan, Bay Area, Calif.

Lactic acid has long been vilified, but new research shows that it doesn't impair muscle function. In fact, it might actually be good for you. Like all great villains, lactic acid has been ...

Lactic acid is a natural preservative often found in foods like yogurt, baked goods, and pickled vegetables. Along with making your food last longer, it can boost your health by strengthening your ...