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Formative Evaluation of Digital Health Interventions (3462) Digital Biomarkers and Digital Phenotyping (326) Mobile Health (mhealth) (3663) Sensors at Home and Domotics (85) Wearable Devices and Sensors (1216) Geriatrics and Longevity Medicine (63)

Published on in Vol 10 (2026)

Preprints (earlier versions) of this paper are available at https://preprints.jmir.org/preprint/83805, first published .
Validity of Smartphone-Based Measurement for Assessing Lower Limb Power for Sarcopenia and Frailty Discrimination: Cross-Sectional Study

Validity of Smartphone-Based Measurement for Assessing Lower Limb Power for Sarcopenia and Frailty Discrimination: Cross-Sectional Study

Validity of Smartphone-Based Measurement for Assessing Lower Limb Power for Sarcopenia and Frailty Discrimination: Cross-Sectional Study

Authors of this article:

Shuichi P Obuchi1 Author Orcid Image ;   Hisashi Kawai1 Author Orcid Image ;   Takeshi Kera2 Author Orcid Image ;   Keigo Imamura1 Author Orcid Image ;   Manami Ejiri1 Author Orcid Image ;   Hirohiko Hirano1 Author Orcid Image ;   Kazushige Ihara3 Author Orcid Image ;   Hiroyuki Sasai1 Author Orcid Image ;   Yoshinori Fujiwara1 Author Orcid Image
Article Authors Cited by Tweetations Metrics

Shuichi P Obuchi   1 , PT, PhD ;   Hisashi Kawai   1 , PhD ;   Takeshi Kera   2 , PT, PhD ;   Keigo Imamura   1 , PT, PhD ;   Manami Ejiri   1 , PhD ;   Hirohiko Hirano   1 , DDS, PhD ;   Kazushige Ihara   3 , MD, PhD ;   Hiroyuki Sasai   1 , PhD ;   Yoshinori Fujiwara   1 , MD, PhD

1 Tokyo Metropolitan Institute for Geriatrics and Gerontology, Tokyo, Japan

2 Department of Physical Therapy, Takasaki University of Health and Welfare, Takasaki, Japan

3 Faculty of Medicine, Hirosaki University, Hirosaki, Japan

Corresponding Author:

  • Hisashi Kawai, PhD
  • Tokyo Metropolitan Institute for Geriatrics and Gerontology
  • 35-2 Sakae-cho, Itabashi-ku
  • Tokyo 1730015
  • Japan
  • Phone: 81 3-3964-3241 ext 4243
  • Fax: 81 3-3964-1844
  • Email: hkawai@tmig.or.jp