URL:https://1.bp.blogspot.com/-UercHcKp2ow/X256m3hfNOI/AAAAAAAAdxs/wLN8pc1L5noYvnT3iMs6KrC5s_7cB1IZQCLcBGAsYHQ/s0/woman-4618189.jpg
掲載元:https://www.nagahitoyuki.com/2020/09/why-is-muscle-soreness-in-strength-training-delayed-when-we-get-older-or-have-less-muscle.html