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 ...

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 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 ...

Our team tests, rates, and reviews more than 1,500 products each year to help you make better buying decisions and get more from technology. The BSXinsight Multisport Edition enables endurance runners ...

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 ...