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Physical Activity Behavior and Its Association With Global Cognitive Function Three Months After Stroke: The
Geske Luzum1, Mari Gunnes2, Stian Lydersen3
1Department of Neuromedicine and Movement Science, Faculty of Medicine and Health Science, NTNU-Norwegian University of Science and Technology, Trondheim, Norway.
Physical Therapy
|July 13, 2023
Summary
Stroke survivors with lower cognitive function are more likely to be inactive, with physical capacity playing a key role. Understanding this link can help develop targeted physical activity interventions.
Area of Science:
- Neuroscience
- Rehabilitation Medicine
- Public Health
Background:
- Stroke significantly impacts survivors' physical activity (PA) and cognitive function.
- Physical capacity is a potential mediator in the relationship between PA and cognition post-stroke.
Purpose of the Study:
- To determine the association between PA behavior and global cognitive function 3 months post-stroke.
- To explore the mediating role of physical capacity in this association.
Main Methods:
- 193 women and 260 men (median age 73.7 years) with stroke were recruited.
- PA was measured via accelerometers over 7 days; cognitive function assessed using the Montreal Cognitive Assessment (MoCA).
- Multiple regression and mediator analyses examined the PA-cognition relationship, with physical capacity (Short Physical Performance Battery) as the mediator.
Main Results:
- Most participants (69.3%) adhered to WHO PA guidelines (≥150 min/week moderate-intensity activity).
- A decrease in MoCA score was associated with an 8.6% increased odds of nonadherence to PA recommendations.
- Physical capacity significantly mediated the association between cognitive function and PA behavior.
Conclusions:
- Despite high adherence to PA guidelines, stroke survivors with reduced cognitive function face a higher risk of inactivity.
- Physical capacity is a crucial mediating factor in the cognition-PA relationship post-stroke.
- Understanding this association can inform the development of targeted early interventions to promote PA in stroke survivors.
