@article{202401.2229, doi = {10.20944/preprints202401.2229.v1}, url = {https://doi.org/10.20944/preprints202401.2229.v1}, year = 2024, month = {January}, publisher = {Preprints}, author = {Huijun Ma and Xuefeng Li and Chengliang Ma and Da Teng}, title = {Physical Activity Level and Influencing Factors in Junior High School Students in China: A Cross‐ Sectional Study}, journal = {Preprints} }