What Is High Intensia Interval Training?

Many of the popular interval training workouts combine short bursts of intense exercise with periods of rest. The methods that have been studied by scientists are very specific, so that you can make up any interval you want to get results. When we're talking about the evidence of benefits, we need to be specific about the kinds of workouts the science was based upon. I guarantee you are about to learn something that nobody has ever told you before.