Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) MURAMATSU Shigeru and OHNO Masato and ARIMOTO Morio,POSSIBILITY OF SIMPLE MUSCLE TRAINING WITH DRAG OF SAND,Japanese Journal of Physiological Anthropology,1342-3215,Japan Society of Physiological Anthropology,2009,14,2,75-79,https://cir.nii.ac.jp/crid/1390282679431142912,https://doi.org/10.20718/jjpa.14.2_75