Here's another way to make your treadmill workout intense. To try interval training on a treadmill, simply alternate between ...

While we suggest that newcomers to fitness avoid overly intense HIIT sessions, to begin with, we do think that mixing up your treadmill routine is an excellent way of keeping things fresh and ...

On the other end of the intensity-spectrum, the Kettler Sport Arena Treadmill also offers seven HIIT (high intensity interval training) programs straight out of the box. HIIT training is an ...

One of the best ways to freshen up your time spent on a treadmill is to do some high-intensity interval training (HIIT) runs. HIIT workouts are filled with short bouts of intense exercise followed ...

Inspired? Take a look at our treadmill workouts for every level of runner here. Cycling is another HIIT mainstay. You can use any exercise bike (see our picks for the best exercise bikes), and you ...