One of the best measures of running fitness is lactate threshold (LT), which is the running speed or heart rate at which lactate — an intermediate product of aerobic metabolism in the muscles — begins ...

If you're an endurance athlete, your lactate threshold can be an incredibly useful training tool – but what exactly is it, and how can you measure and use it? Lactate is created when muscle tissue ...

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 ...

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 ...

A wearable device appears to be just as good at measuring lactate thresholds for endurance runners as older, more complicated methods, according to a new study. The lactate threshold is when the blood ...

It’s important to point out that running in general helps improve all three of these performance predictors. “Being consistent is the foundational way to keep all of these factors optimized,” McMillan ...

If there is one stat that every cyclist wants to know, it’s their “VO2max.” Just what does this secret number mean? And more importantly, why is it a pretty near meaningless red herring, and what ...

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