A question about opening polyethylene terephthalate bottle caps enables high-precision determination of handgrip strength in older Japanese adults.
Yohei SawayaTamaki HiroseMasahiro IshizakaNaori HashimotoTakahiro ShibaRyo SatoLu YinMiyoko WatanabeMasafumi ItokazuAkira KuboTomohiko UranoPublished in: Geriatrics & gerontology international (2023)