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Related Concept Videos

Traumatic Brain Injury l: Introduction01:28

Traumatic Brain Injury l: Introduction

DefinitionTraumatic brain injury, or TBI, is a disturbance of normal brain function induced by an external mechanical force, such as a direct blow to the head or a penetrating injury. It can affect both brain structure and function, producing a wide range of clinical outcomes. TBI is a heterogeneous condition, meaning its effects may differ based on the type, location, and severity of the injury.Basis of ClassificationTBI is classified based on severity, injury mechanism, or pathophysiology. In...

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Evaluating Postural Control and Lower-extremity Muscle Activation in Individuals with Chronic Ankle Instability
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Published on: September 18, 2020

Previous mild traumatic brain injury and postural-control dynamics.

Jacob J Sosnoff1, Steven P Broglio, Sunghoon Shin

  • 1Department of Kinesiology and Community Health, University of Illinois at Urbana-Champaign, 906 South Goodwin Avenue, Urbana, IL 61801, USA. jsosnoff@illinois.edu

Journal of Athletic Training
|January 11, 2011
PubMed
Summary

Individuals with a history of mild traumatic brain injury (mTBI) show persistent changes in postural control, specifically in how their bodies adjust to maintain balance. These subtle differences in postural dynamics suggest long-term effects on brain function after the initial injury.

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Experimental Methods to Study Human Postural Control
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Area of Science:

  • Neuroscience
  • Biomechanics
  • Rehabilitation Medicine

Background:

  • Mild traumatic brain injury (mTBI) acutely impairs postural control and cognitive function.
  • The persistence of postural control deficits beyond the acute phase following mTBI is not well understood.

Purpose of the Study:

  • To investigate whether individuals with a history of mild traumatic brain injury (mTBI) exhibit persistent deficits in postural control.

Main Methods:

  • A retrospective cross-sectional study was conducted in a university research laboratory.
  • 224 participants, including 62 with a history of physician-diagnosed mTBI, were assessed.
  • Postural control was evaluated using the NeuroCom Sensory Organization Test (SOT), analyzing composite balance, visual, somatosensory, and vestibular scores, alongside center-of-pressure dynamics.

Main Results:

  • No significant differences were found in standard SOT indices between individuals with and without a history of mTBI (P > .05).
  • Individuals with a history of mTBI demonstrated decreased anteroposterior postural irregularity with increasing postural difficulty.
  • In contrast, individuals without mTBI history showed increased mediolateral postural irregularity.

Conclusions:

  • Individuals with a history of mTBI display distinct alterations in postural dynamics compared to controls.
  • These findings suggest that neurophysiological changes impacting postural control can endure long after the resolution of acute mild traumatic brain injury (mTBI).