The Norwegian 4x4 Hiit workout is a favourite among athletes and actress Jessica Biel – here’s why it’s so beneficial

Lack of time is often the main reason people don’t exercise regularly. But a type of interval workout recently popularised by ...
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High-intensity interval training: why and how to do HIIT

Interval training workouts involve structured exercising at different intensities with recovery periods in between. High intensity is usually anaerobic exercise, while the recovery periods involve ...