Tag: HIIT

The workout du jour is high-intensity interval training, and this is one format that might be here to stay. It requires only a few minutes of (really) hard work to cover all the major muscle groups. HIIT, as it’s called, alternates short periods of all-out activity with even briefer breaks. Just how short is short? Typically 20 to 30 seconds of work followed by 10 seconds of recovery – spiking metabolism and tricking your body into thinking it rested. Although a four-minute workout is better than a no-minute workout, there’s…