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 ...

Make way for another wearable. Launching sign-ups for its alpha program on stage today, here at TechCrunch Disrupt SF, is a startup called Humon — which is building a real-time lactic acid threshold ...

If you’ve read anything about training in the last ten years you’ve probably come across the idea of Lactate Threshold and a discussion of how lactic acid production limits performance. The argument ...

Muscles make Lactic acid deliberately, producing it from glucose, and they burn it to obtain energy. Everyone who has even thought about exercising has heard the warnings about lactic acid. It builds ...

Alison Kreideweis sat nervously on the edge of a treadmill at Finish Line Physical Therapy in New York City, on Dec. 1. She’d volunteered to help demo a new wearable device that measures an athlete’s ...

Everyone who has even thought about exercising has heard the warnings about lactic acid. It builds up in your muscles. It is what makes your muscles burn. Its buildup is what makes your muscles tire ...