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Characterizing physical activity bouts in people with stroke with different ambulation statuses.

David Moulaee Conradsson1,2, Burcin Aktar3,4, Lucian Bezuidenhout1,5

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Area of Science:

  • Rehabilitation Medicine
  • Exercise Physiology
  • Stroke Recovery

Background:

  • Physical activity is vital for post-stroke recovery and well-being.
  • Understanding daily physical activity patterns in stroke survivors is limited.
  • Activity accumulation in terms of bout duration and intensity is not well-characterized.

Purpose of the Study:

  • To characterize and contrast daily physical activity patterns in stroke survivors.
  • To compare bout frequency and intensity between stroke survivors with different ambulation statuses and healthy controls.

Main Methods:

  • Cross-sectional study design.
  • Actigraph GT3X+ accelerometers used to measure physical activity.
  • Three groups: limited community ambulators (LCA) post-stroke, community ambulators (CA) post-stroke, and healthy controls.

Main Results:

  • Stroke survivors predominantly engaged in short physical activity bouts (1-5 minutes).
  • Limited community ambulators (LCA) spent more time in light physical activity during longer bouts (>5-10 min, >10 min) but less in moderate-to-vigorous activity compared to CA and controls.
  • Both post-stroke groups were most active between 12 PM and 5 PM.

Conclusions:

  • Community ambulators (CA) post-stroke showed similar activity patterns to healthy controls.
  • Limited community ambulators (LCA) primarily engaged in short bouts of light physical activity.
  • Interventions encouraging frequent short bouts of moderate-to-vigorous activity or longer light activity bouts are potential targets for improving cardiovascular health in LCA individuals post-stroke.