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Unsupervised Frailty Intervention by Digitalized Exercise Coaching: A Feasibility Study
Changseok Lee1, Jehun Lee1, Heeyoung Jeong1
1DYPHI Research Institute, DYPHI Inc., Daejeon 34134, Republic of Korea.
Sensors (Basel, Switzerland)
|June 27, 2025
Summary
This study found that unsupervised, digitally delivered exercise interventions are feasible for frail older adults, showing improvements in physical performance and mood. Adherence was high, suggesting a viable option for frailty prevention.
Area of Science:
- Gerontology
- Digital Health
- Preventive Medicine
Background:
- Multi-component interventions effectively prevent frailty but face adoption barriers due to high resource demands.
- Digital therapy offers a potential solution to overcome limitations of traditional frailty interventions.
Purpose of the Study:
- To assess the feasibility of an unsupervised, mobile application-based digital intervention for frail older adults.
- To evaluate the impact of a 12-week digital multi-component exercise program on physical function, fatigue, daily living activities, self-efficacy, and depression.
Main Methods:
- A 12-week unsupervised intervention using a mobile application for multi-component exercise coaching was delivered to 30 frail older adults.
- Participants received initial education before commencing the digital program.
- Outcomes including Short Physical Performance Battery (SPPB), K-FRAIL scale, ADL, IADL, self-efficacy, and depression were measured pre- and post-intervention.
Main Results:
- Significant improvements were observed in the mean SPPB score (from 9.6 to 11.7) and depression levels (from 3.23 to 2.00).
- The overall adherence rate to the mobile application intervention was 86.1%.
- No statistically significant differences were found in K-FRAIL, ADL, IADL, or self-efficacy scores.
Conclusions:
- Unsupervised digital interventions are a feasible and potentially effective strategy for delivering multi-component exercise to frail older adults.
- Mobile applications can support adherence and improve specific health outcomes like physical performance and mood in this population.
- This approach offers a scalable solution for frailty prevention, addressing resource limitations of traditional programs.
