Man skiing (IMAGE) University of Jyväskylä - Jyväskylän yliopisto Caption There has been great variability in people's physical activity during COVID-19 pandemic. Credit University of Jyväskylä Usage Restrictions The photo to be used only news articles related to this press release. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.