Some runners have funny ideas about the meaning of the word “anaerobic.” It’s not their fault, though, because even many exercise physiologists harbor an outdated understanding of aerobic and ...

Who knew that two simple letters--an--could make all the difference in triathlon training? Frequently referenced, but often misunderstood, the difference between the terms aerobic and anaerobic seems ...

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 ...

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 ...

Do you think it would be wise to do an extremely long period of aerobic/LT work (a year+)? I am trying to compile as much information as I possibly can, I still will be doing the occasional race ...

We sat down with HYROX master coach Tiago Lousa to break down the real method to race-day speed, the mistakes holding athletes back and the fixes that make you faster without blowing up. Whether ...

Uncrowned is a new destination for all things MMA, boxing, wrestling, and more, featuring Ariel Helwani. The word aerobic literally means "with oxygen." When an athlete exercises in an aerobic zone, ...