During intense or prolonged exercise, muscles can feel like they’re burning the longer and harder someone pushes. This occurs because the muscles produce energy as quickly as possible by dipping into ...

When runners talk physiology, two terms tend to dominate the conversation: VO2 max and lactate threshold. Although the two metrics are related, they are not the same – and they shape performance in ...

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 ...

The NYTimes article has an article today talking about the role of lactic acid and exercise. First up, I think the fault probably lies with the writer, not the scientist, for misrepresenting valid ...

At the end of last year we took a look at a new device, the ZoneX from French startup Pairfs based in Grenoble. First a bit of science. It has been known since the early 19th century that lactic acid ...