Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Yoshida Makoto and Tamiya Shinji and Tarumoto Nagayoshi,About the effect of stretching on ankle plantar flexor muscle strength,International journal of exercise science,2433-7722,International Society of Exercise Science,2021,4,2,12-17,https://cir.nii.ac.jp/crid/1390576347187015424,https://doi.org/10.51039/ises.4.2_12