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This study investigated the effects of a three-month COVID-19 lockdown on the body mass of Lebanese students who study physical education and whether these changes reflected in distribution changes in underweight, normal weight, and overweight/obese status. Furthermore, the study investigated whether lockdown affected physical activity behavior and if students who reduced the frequency of training sessions were more likely to increase their body mass. Body mass and body height were assessed in 174 Lebanese physical education students immediately before and at the end of COVID-19 lockdown. Their training routine was assessed using by questionnaire. Wilcoxon signed-rank order assessed the effects of lockdown on body mass, while Chi square test tested the differences in distribution of underweight, normal weight, and overweight/obese status before and after the lockdown. In general, there was a significant (p &lt; 0.001) small increase in body mass. However, about 27% of participants had a moderate to major increase in body mass. This was reflected in a significant shift in nutritional status as the number of overweight/obese students increased by 5.2%. In addition, students who reduced their training frequency due to lockdown were three times more likely to increase body mass than those who remained active (i.e., 38 vs. 5 with moderate to major increase). Given that an increase in body mass increases all health risks, remaining physically active is of high importance for health prevention, especially considering all other positive effects of physical activity on cardio-respiratory and muscle function.

Effects of a Three-Month COVID-19 Lockdown on Body Mass and Nutritional Status of Lebanese Students Who Study Physical Education