What question did this study set out to answer?

To investigate how aging influences force control and adaptation to isometric force perturbations.

Aging Alters Force Control Regularity and Delays Adaptation to Isometric Force Perturbations

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Randomized trial examines adaptation to isometric force perturbations in young and older adults, suggesting aging affects motor responses.

To investigate how aging influences force control and adaptation to isometric force perturbations.
Used a perturbation-based paradigm to assess adaptation times during grip tasks.
Involved 16 young and 18 older adults performing contractions with upward and downward force shifts.
Evaluated force regularity using Sample Entropy and standard deviation metrics.
Older adults had longer adaptation times and greater force regularity compared to young adults.
Standard deviation did not differ significantly between age groups.
Recovery from downward perturbations was slower than from upward perturbations in both groups.

Grigoriadis et al. (2026) studied this question.

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Randomized trial examines adaptation to isometric force perturbations in young and older adults, suggesting aging affects motor responses.