HIIT is unique in that it's a surprisingly effective workout while requiring only a minimal amount of time.

High-Intensity Interval Training (HIIT) is a workout method that alternates between short bursts of intense activity and periods of low-intensity recovery or rest. This dynamic approach to fitness ...

For all its benefits, HIIT should not stand alone in your weekly workout regimen, though, since it’s not a strength training workout. Consider it a supercharged addition to your regular routine.

HIIT is unique in that it's a surprisingly effective workout while requiring only a minimal amount of time.