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The Longitudinal Course of Physical Activity Behavior Poststroke and Its Variation Across Subgroups: The Norwegian
Geske Luzum1, Heather Allore2, Ling Han2
1Norwegian University of Science and Technology, Department of Neuromedicine and Movement Science, 7491 Trondheim, Norway.
Physical Therapy
|May 13, 2025
Summary
Physical activity (PA) generally declines poststroke over three years. Identifying distinct PA trajectories can help tailor rehabilitation for individuals with stroke, supporting their long-term recovery and activity levels.
Area of Science:
- Neurology
- Rehabilitation Medicine
- Public Health
Background:
- Physical activity (PA) is crucial for stroke recovery but its longitudinal course is not well understood.
- Understanding poststroke PA patterns is vital for developing effective interventions.
- Modifiable targets for improving long-term outcomes in stroke survivors are needed.
Purpose of the Study:
- To describe the longitudinal changes in physical activity (PA) from 3 to 36 months poststroke.
- To identify distinct subgroups of stroke survivors based on their PA trajectories using multi-trajectory modeling.
Main Methods:
- Prospective, multicenter cohort study involving 277 individuals with mild strokes.
- Community-based follow-up at 3, 18, and 36 months poststroke.
- Objective measurement of daily upright time, light physical activity (LPA), moderate physical activity (MPA), step count, and sit-to-stand transitions using accelerometers.
Main Results:
- A modest annual decline in average daily upright time (-7.4 min) and step count (-132 steps) was observed over 3 years.
- Four distinct PA trajectory groups were identified, including a stable low PA group (25.6%), two intermediate groups (32.4%, 20.8%), and a stable high PA group (21.2%).
- These groups differed in demographic and clinical characteristics, indicating varied needs for PA support.
Conclusions:
- The overall trend of physical activity poststroke shows a moderate decrease over three years.
- Recognizing diverse PA trajectories can inform personalized rehabilitation strategies.
- Identifying specific subgroups may guide clinicians in providing extended support for long-term rehabilitation and activity promotion in stroke survivors.
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