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Related Experiment Videos

Cognitive task effects on gait stability following concussion.

Robert D Catena1, Paul van Donkelaar, Li-Shan Chou

  • 1Motion Analysis Laboratory, Department of Human Physiology, 1240 University of Oregon, Eugene, OR 97403, USA.

Experimental Brain Research
|July 11, 2006
PubMed
Summary
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Patients with concussion exhibit altered gait stability and balance during dual-task walking. A slower gait strategy was adopted, but instability persisted, particularly during cognitive tasks.

Area of Science:

  • Neurology
  • Biomechanics
  • Sports Medicine

Background:

  • Concussion can lead to persistent gait and balance impairments.
  • Assessing functional deficits in concussion requires understanding dual-task performance.

Purpose of the Study:

  • To investigate the impact of two concurrent tasks on gait stability in concussion patients.
  • To analyze balance maintenance strategies in individuals with concussion.

Main Methods:

  • 14 concussion patients and 14 controls performed level walking with single and dual tasks (reaction time, question/answer).
  • Gait spatial/temporal parameters, center of mass motion, and center of pressure were measured.

Main Results:

  • Concussed individuals showed gait differences during single and dual-task walking compared to controls.

Related Experiment Videos

  • A slower, conservative gait was adopted, yet coronal plane center of mass deviations increased by 13% during the Q&A task.
  • Attentional deficits were noted with the Q&A task, while the reaction time task improved alertness.

    • Conclusions:

    • Concussion impairs gait stability and balance, necessitating dual-task assessment.
    • Dual-task paradigms can reveal subtle deficits and inform concussion recovery protocols.