Xin, Fei, Zheng Zhu, Xiaoqing Hu, Si-Tong Chen, Huan Chen, Yang Liu, Lijuan Wang, Yujun Cai, Ang Chen, and Yan Tang. “Prevalence and Correlates of Muscle-Strengthening Exercise Among Chinese Children and Adolescents: Mini-Oral Presentation A1.7”. The Health & Fitness Journal of Canada 14, no. 3 (September 30, 2021). Accessed April 28, 2024. https://hfjc.library.ubc.ca/index.php/HFJC/article/view/430.