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 [Internet]. 2024 Jun. 28 [cited 2025 May 6];:24-31. Available from: https://istaer.online/index.php/Home/article/view/No.2433