Exercise review maps proposed biological pathways in cognitive frailty
A scoping review examined exercise formats and possible mechanisms, including digital approaches. Its abstract does not quantify cognitive or physical improvements or establish which format works best.
Based on the published abstract. The full paper may contain additional methods, results and limitations.
The 30-second takeaway
This review organized research on exercise approaches for cognitive frailty and the biological pathways that might help explain reported benefits. Digital formats featured in many studies, while a smaller group examined mechanisms. The abstract offers a map of the evidence, but no comparative effect estimates demonstrating that digital delivery or any particular exercise format is superior.
The abstract does not describe study designs, participant characteristics, specific outcome measures or effect sizes. Proposed pathways and the promise of digital delivery therefore cannot be treated as proof of a mechanism or comparative clinical benefit.
Digital formats were common
The included exercise approaches varied, with nearly half using digital formats. The authors highlighted possible advantages for safety, participation and personalization but did not provide numerical results showing that these advantages occurred consistently.
Mechanisms remain under investigation
Mechanistic findings came from 7 studies and concerned brain structure, neural function, brain inflammation, oxidative stress, neurotransmitters and blood flow. The authors called for larger randomized trials to test how specific exercise approaches relate to these pathways over time.
The original publication
The impact of exercise interventions on cognitive frailty: a scoping review of outcomes and biological mechanisms.
He X, Jiao Y, Ma L et al.
Front Public Health · 2025
- PubMed ID
- 41602035
- Record checked
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