Sprinting — in which you alternate short bursts of fast running with longer periods at a slower pace — makes for a great and efficient workout, but it can also be intimidating for beginners. Sometimes ...

Plus, exactly how to get results from whatever activity you love to do.

High-intensity interval training, or HIIT, is a great way to get in a fast, effective workout. This quick routine is helpful ...

Lack of time is often the main reason people don't exercise regularly. But a type of interval workout recently popularized by ...

No longer can some military personnel rely solely on running at a moderate pace. Sprinting and agility are regularly tested as part of the ever-evolving fitness tests in the military. Many fitness ...

Stadium stair sprints and hill bounding are two popular exercises aimed at improving explosive power and enhancing athletic ...