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Advancing sarcopenia assessment with wearable and app-based technology: a scoping review
Ayush Mehra1, Justo Perez1, Jessica L Krok-Schoen2
1College of Medicine, The Ohio State University, Columbus, OH, United States of America; School of Health and Rehabilitation Sciences, The Ohio State University, Columbus, OH, United States of America.
The Journal of Nutrition, Health & Aging
|March 12, 2026
Summary
Wearable and mobile devices show promise for assessing skeletal muscle mass (SMM) and monitoring sarcopenia. However, further validation is needed before widespread clinical adoption for sarcopenia diagnosis.
Area of Science:
- Gerontology
- Biomedical Engineering
- Digital Health
Background:
- Sarcopenia, characterized by skeletal muscle mass (SMM) loss, leads to frailty and disability, yet is often underdiagnosed.
- Conventional SMM assessment methods have limitations, hindering early sarcopenia detection.
- Wearable and mobile technologies offer portable, low-burden alternatives for SMM evaluation and dynamic monitoring.
Conclusions:
- Wearable and mobile technologies show potential for accessible SMM assessment and sarcopenia monitoring.
- Current limitations include limited studies, restricted clinical validation, and methodological heterogeneity.
- Digital SMM tools require further rigorous validation across diverse populations before clinical use as diagnostic replacements.
