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Related Experiment Videos

Gait stability following concussion.

Tonya M Parker1, Louis R Osternig, Paul VAN Donkelaar

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

Medicine and Science in Sports and Exercise
|June 16, 2006
PubMed
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Concussion impairs dynamic motor function, affecting gait stability for up to 28 days post-injury. Injured individuals showed slower walking speeds and increased sway, especially when attention was divided.

Area of Science:

  • Neuroscience
  • Biomechanics
  • Sports Medicine

Background:

  • Identifying functional impairment after brain injury is crucial to prevent re-injury.
  • Concussion's impact on dynamic motor function remains poorly understood.

Purpose of the Study:

  • To investigate how concussion affects dynamic motor tasks.
  • To assess changes in gait stability under divided and undivided attention over 28 days.

Main Methods:

  • Compared 15 concussed (CONC) and 15 control (NORM) subjects.
  • Collected whole-body motion data (COM, COP) during walking with and without a concurrent mental task.
  • Assessed CONC at 48 hours, 5, 14, and 28 days post-injury; NORM at same intervals.

Main Results:

Related Experiment Videos

  • Concussed individuals exhibited compromised gait stability for up to 4 weeks.
  • CONC walked significantly slower during dual-task conditions compared to NORM.
  • Injured subjects showed greater sway and sway velocity with divided attention up to 28 days post-injury.

Conclusions:

  • Concussion can lead to long-term, measurable effects on gait stability control.
  • Dynamic motor function deficits may persist for weeks after a concussion.