⚠️なぜ40代女性に【腹筋運動はNG】なのか? https://mensantiaginglife.com/2020/01/20/%e2%9a%a0%ef%b8%8f%e3%81%aa%e3%81%9c40%e4%bb%a3%e5%a5%b3%e6%80%a7%e3%81%ab%e3%80%90%e8%85%b9%e7%ad%8b%e9%81%8b%e5%8b%95%e3%81%afng%e3%80%91%e3%81%aa%e3%81%ae%e3%81%8b%ef%bc%9f/