Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Shimada Yuji and Hiraga Atsushi and Tomita Keisuke and Kurokawa Kyosuke and Arai Kazuki and Sugihara Keigo and Ozaku Taiti and Nobori Hiroshi,【Second Report】Effect on lower limb muscles during Heel raise operation using compressive stress of spring,International journal of exercise science,2433-7722,International Society of Exercise Science,2021,4,2,23-28,https://cir.nii.ac.jp/crid/1390576347187021696,https://doi.org/10.51039/ises.4.2_23