When you don't have much time to spare but want to squeeze in a workout, a 10-minute HIIT session can rev up your metabolism and burn calories. High-intensity interval training (HIIT) involves ...

At only 10 minutes, even those with little time can squeeze in a solid workout. This workout is great for intermediate runners with 30-second HIIT running intervals at a speed of 5.0 followed by a ...

To make those 10 minutes count, though, you will have to work hard. High-intensity interval training workouts, or HIIT, which involve bursts of high-intensity effort followed by short rest periods ...