Runner Keltie O'Connor discovered this for herself when she committed to 180 minutes of zone 2 cardio every week for a year. ...

The widely-accepted optimal cadence number is 180 spm, however research reveals that even some of the best pro runners vary from that number. Ng says that for many runners, a cadence of at least 160 ...

VO2 max, the measure of how much oxygen the body consumes during exercise, has become a ubiquitous tool for professional ...

There are a number of reasons you might not get sore after a workout. Ahead, our experts share the most popular culprits. One ...