Interval training’s stock has soared in recent years. Is it any wonder, when it promises to deliver impressive health and fitness perks in a shorter time frame than other workouts? Sessions can be fun ...

What Is It: Speedplay is a 60-minute high-intensity interval training class that combines running, rowing and floor exercises to burn up to 900 calories per session. Who Tried It: Gabrielle Olya, ...

This is a preview. Log in through your library . Abstract Over the past Thirty Years, many measures have been proposed to gauge the similarity (or, mutatis mutandis, the difference) in sound of ...