Journal of Sports Sciences
This is an Accepted Manuscript of an article published by Taylor & Francis in Journal of Sports Sciences on June 21, 2020, available online: https://www.tandfonline.com/doi/full/10.1080/02640414.2020.1763764
Tori Kaster, Faith L. Dooley, John S. Fitzgerald, et al.. "Temporal trends in the sit-ups performance of 9,939,289 children" (2020). Education, Health & Behavior Studies Faculty Publications. 57.