AUTHOR=Jenkins Matthew , Houge Mackenzie Susan , Hodge Ken , Hargreaves Elaine Anne , Calverley Jessica R. , Lee Craig TITLE=Physical Activity and Psychological Well-Being During the COVID-19 Lockdown: Relationships With Motivational Quality and Nature Contexts JOURNAL=Frontiers in Sports and Active Living VOLUME=Volume 3 - 2021 YEAR=2021 URL=https://www.frontiersin.org/journals/sports-and-active-living/articles/10.3389/fspor.2021.637576 DOI=10.3389/fspor.2021.637576 ISSN=2624-9367 ABSTRACT=Physical activity, motivation, psychological well-being, nature, COVID-19.