Effects of aging-related muscle degeneration on dynamic stability during walking: a musculoskeletal computer simulation study
Shoma Kudo, Masahiro Fujimoto, Akinori Nagano · 2025
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Description
Shoma Kudo, Masahiro Fujimoto, and Akinori Nagano simulate aging muscle effects on walking stability in a study published in 2024. Older muscles lose force, speed, and quick shutoff control. Which loss most threatens balance during walking was unclear. Computer models let the team isolate each deficit.
Two-dimensional models with eighteen muscles simulated young and older walking. Separate models cut force, cut contraction speed, or slowed deactivation. Stability was scored by the margin between body motion and the support base. The older model walked with a larger stability margin than the young one. The force-cut model needed the largest margin of the deficit models. Speed and timing cuts demanded less extra stability. The authors read this as compensation for weaker control. Loss of peak force emerges as the most influential factor. Fall prevention programs can target that deficit first.
Catalog record
| CREATOR | Shoma Kudo, Masahiro Fujimoto, Akinori Nagano |
|---|---|
| YEAR | 2025 |
| COLLECTION | PAPERS |
| FORMAT | TXT |
| FILE SIZE | 25 KB |
| VERSION | 1.0 |
| LICENSE | CC BY 4.0 |
| RIGHTS | CC BY |
| SOURCE | Europe PMC |