High intensity interval training made headlines in the 2010s with one specific claim: that short bursts of hard work can give the same aerobic benefits as longer sessions of jogging or cycling. But ...

This iPhone app is so elegantly designed that, while you still won’t want to work out, you’ll really wish that you did. Runkeeper was placed on Earth by supreme beings of some sort. Its programmable, ...

High-intensity interval training, also known as HIIT, is a great way to improve your overall cycling performance. Working through short bursts of intense efforts, followed by brief rest periods, can ...

Gym rats know the power of HIIT—high-intensity interval training. Those all-out, repeated blasts of activity seem daunting, but those who try it swear by it, often telling anyone within earshot that ...