A Study on the Effects of Taiji Rouli Ball Exercise on Hand Dexterity of Middle-Aged and Elderly Practitioners. JTS [Internet]. 30 de junio de 2025 [citado 15 de septiembre de 2025];4(1):40-58. Disponible en: http://www.wtsf.org/ojs/index.php/jts/article/view/19