Med Sci Sports Exerc 2021 Sep 20. Epub 2021 Sep 20.
Department of Kinesiology, Boise State University, Boise, ID Department of Clinical & Applied Movement Sciences, University of North Florida, Jacksonville, FL Department of Kinesiology, Recreation, and Sport Studies, University of Tennessee, Knoxville, TN Department of Food, Nutrition, and Sport Science, University of Gothenburg, Sweden Faculty of Physical Culture, Palacký University, Olomouc, Czech Republic Department of Preventive Medicine and Public Health, Tokyo Medical University, Tokyo, Japan.
Introduction: Conflicting evidence exists on whether physical activity (PA) levels of humans have changed over the last quarter-century. The main objective of this study was to determine if there is evidence of time trends in PA, from cross-sectional studies that assessed PA at different time points using wearable devices (e.g. Read More