Doing high intensity interval training? Timing matters when doing HIIT

High intensity interval training or HIIT is only effective for improving fitness when performed at 60-second intervals. HIIT, meaning short burst of intense cardio exercises is one of the fastest ways to get fit.

High intensity interval training or HIIT is only effective for improving fitness when performed at 60-second intervals, according to new research from Liverpool John Moores University.

Currently 40% of people in Britain do not meet the government’s physical activity guidelines, with a lack of time cited as the most common barrier.