High intensity interval training (HIIT) may be the most effective form of exercise for reducing body fat while maintaining ...

Lungs burning, legs ceasing up – no one actually enjoys interval training. Pushing through the pain is the only way to unlock faster PBs and achieve a higher level of fitness ...

Plus, the 80/20 rule for optimal results ...

Interval training is pretty tough work, but it's the best way to keep in shape when you don't have a lot of time on your hands. That said, if you want to do it right, The New York Times suggests you ...

Every once in a while, I get a reminder that Twitter really can be useful. In this case, it was a tweet from Andy Jones pointing out an interesting detail in a new study that I might otherwise have ...

Looking at differences in approach, including the varied Zone 2 sessions of top US pros Brandon McNulty and Matteo Jorgenson ...