“…Importantly, maintaining or increasing physical activity levels have previously been shown to be a successful strategy to mitigate reductions in physical and mental health [ 8 , 9 ]. Therefore, it is worrying that a large number of studies have reported reduced physical activity levels and increased sedentary behaviour in university students during the first 2–4 months of the pandemic [ 7 , 10 , 11 , 12 , 13 , 14 , 15 ]. Indeed, during the initial phases of the pandemic, several studies indicated that university students who had reduced levels of physical activity tended to have worse mental health [ 11 , 16 , 17 ], whereas those who maintained or increased their levels of physical activity had better mental health [ 3 , 18 , 19 ].…”