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 ...

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 ...

When runners talk physiology, two terms dominate the conversation: VO2 max and lactate threshold. The two metrics are related but not the same, and they shape performance in different ways. Naturally, ...

When you enter the world of running, you get bombarded with a variety of terms and workout structures that might overwhelm you at first. Zone 2 running, tempo running, marathon pace, easy run, ...

Add Yahoo as a preferred source to see more of our stories on Google. Woman running on treadmill during fitness test being conducted by sports scientist If you're an endurance athlete, your lactate ...

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 ...

For a long time, muscular fatigue during exercise was believed to be caused primarily by lactate as a by-product of glycolysis (glucose metabolism). In early studies, lactate was shown to increase in ...

Runners throw around the term “tempo run” like confetti. It’s confusing, even for well seasoned athletes, because it’s not a cut-and-dried definition like a lactate threshold workout. Frequently, ...