Research on trend prediction and factor analysis of tennis potential energy: ACKNOWLEDGEMENTS: This work was Supported by Special Research Project on Teaching Reform (Grant No. 30120300100-23-yb-jgkt03) and Changzhou Science and Technology Planning Project (CE20225067). ISTAER. Published online June 28, 2024:24-31. Accessed May 6, 2025. https://istaer.online/index.php/Home/article/view/No.2433