@article{ma_li_2021,  title={CHANGES IN THE FLEXOR AND EXTENSOR MUSCLES AT DIFFERENT SPEEDS},  volume={27},  ISSN={1517-8692},  url={https://doi.org/10.1590/1517-8692202127072021_0375},  DOI={10.1590/1517-8692202127072021_0375},  number={7},  journal={Revista Brasileira de Medicina do Esporte},  publisher={Sociedade Brasileira de Medicina do Exercício e do Esporte},  author={Ma, Rui and Li, Wenyan},  year={2021},  month={Jul},  pages={686–688} }