Mixed
Standalone digital health exercise interventions provide no significant benefit on core sarcopenia outcomes (muscle mass, physical performance) in older adults, whereas combined digital interventions (exercise plus nutrition) significantly improve muscle strength and quality of life.
If you are an older adult with sarcopenia, a digital exercise app alone is unlikely to significantly improve your muscle strength or physical function. To see real benefits, you need a program that combines digital exercise guidance with nutritional support. Look for comprehensive digital interventions that include both components.
Meta-analysis revealed that, overall, digital interventions showed no significant benefit on appendicular skeletal muscle mass index... the timed up-and-go test... or gait speed... compared to control conditions. Crucially, subgroup analyses revealed significant differential effects: combined digital health interventions (exercise plus nutrition) demonstrated superior improvements in handgrip strength... and quality of life... Standalone digital health exercise interventions confer limited benefit on core sarcopenia outcomes. In contrast, comprehensive digital interventions that combine exercise with nutritional support show significant promise for improving muscle strength, muscle mass, and quality of life
Why this rating
The paper explicitly states the certainty of evidence for most outcomes was rated as low or very low.
Source
Effectiveness of digital health exercise interventions on muscle function and physical performance in older adults with possible, confirmed, or severe sarcopenia: a systematic review and meta-analysis
Ya Shi et al. · European Review of Aging and Physical Activity · 2026
DOI 10.1186/s11556-026-00409-x
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