Population physical activity legacy from major sports events: The contribution of behavior change science

In a commentary paper in the Journal of Sport and Health Science,world-renowned physical activity researchers,Barbara Ainsworth and James Sallis,discussed the opportunities arising from the Beijing 2022 Olympic Winter Games for increasing physical activity in youth.~1 Moreover,a clarion call from the Asia-Pacific Society for Physical Activity has been made concerning the physical activity legacy that could arise from the 2032 Olympic and Paralympic Games in Brisbane,Australia （see:ASPA vision for Olympic legacy-ASPA（aspactivity.org））.