“…On the primary variable of interest, most studies (57 studies) reported a decrease in physical activity, both in duration and frequency of physical activity (see Table 1 ). Four studies identified an increase in physical activity [ 15 , 16 , 17 , 18 ], whereas six studies could detect no significant difference in physical activity behaviors before and during the pandemic [ 19 , 20 , 21 , 22 , 23 , 24 ]. Eight studies reported differentiated results with indoor and organized sports and physical activity decreasing, while non-organized and outdoor sports and physical activity increased [ 25 , 26 , 27 , 28 , 29 , 30 , 31 , 32 ].…”