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Defining Normal Balance for Army Aviators.

Stephanie J Karch1, Benton D Lawson2, Lana S Milam1,3

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Military Medicine
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This summary is machine-generated.

Military aviators show different postural control than civilians, impacting return-to-duty decisions after injury. New normative data for the Sensory Organization Test (SOT) in aviators is now available.

Keywords:
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Area of Science:

  • Aerospace Medicine
  • Biomechanics
  • Neuroscience

Background:

  • Assessing postural control is crucial for military Service Members' (SM) return to duty after injury.
  • The Sensory Organization Test (SOT) is the gold standard for measuring postural control.
  • Existing SOT normative values are based on the general civilian population and may not apply to high-performing military populations like aviators.

Purpose of the Study:

  • To develop a normative clinical database for functional balance using the SOT specifically for military-trained aviators.
  • To establish comparative data for assessing aviators recovering from injuries affecting postural stability.

Main Methods:

  • Forty-three U.S. Army-trained aviators (ages 23-40) with flight medical clearance participated.
  • The NeuroCom SMART EquiTest system was used to administer the SOT.
  • Data was collected and analyzed to compare aviator performance against civilian norms.

Main Results:

  • Significant differences (p < 0.01) were found between aviators and civilian norms in challenging SOT conditions (4-6).
  • Aviators demonstrated higher equilibrium scores in these conditions.
  • Aviators showed greater reliance on visual and vestibular sensory information for balance maintenance.

Conclusions:

  • Military-trained aviators exhibit distinct postural control characteristics compared to the general civilian population.
  • The developed normative values are essential for accurate screening and monitoring of aviators with postural injuries.
  • These new norms can aid clinicians in determining readiness for return to duty for aviators.