I'm finding it hard to spend enough time exercising to really increase my aerobic capacity and support weight loss, and have become interested in HIIT as a way of maximising my time. I was very interested to see the recent Horizon programme where a professor was advocating 20 seconds of extreme exercise 3x day 3x week, with good results for aerobic fitness for most people. It seems far too good to be true! Has anyone tried it? Otherwise could you suggest any other good HIIT regimes for the time-poor that can be done at home with a rower or running? Thanks
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