We all grow older. There is nothing we can do about that, but the quality of those years is within our control, as recent ...

Like other HIIT workouts, the Norwegian 4x4 consists of brief spurts of high-intensity exercise interspersed with active ...

Whether you plan to hit the trainer hard this winter, are looking for gains in the gym, or plan to keep racking up miles ...

The hallmark of HIIT is repeated bouts of extremely hard work interspersed with periods of recovery. During your work intervals, you’ll be pushing yourself nearly to your max, Noam Tamir, CSCS, ...

HIIT workout founded by a Japanese Olympic coach that uses periods of intense exercise and rest to burn calories.

Tabata workouts are short, intense exercises that require pushing yourself to the limit. Here's how to do Tabata-style exercises at any fitness level.

Overview of the process of obtaining genomic diversity of influenza virus in a population replicated from a single particle. (a) MDCK cells were infected with influenza vi ...