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Racial differences in gait mechanics.

Cherice N Hill1, Wornie Reed2, Daniel Schmitt3

  • 1Department of Biomedical Engineering and Mechanics, Virginia Tech, Blacksburg, VA, USA.

Journal of Biomechanics
|October 9, 2020
PubMed
Summary
This summary is machine-generated.

Racial differences in gait mechanics exist between African Americans and white Americans. Gait analysis revealed slower walking speeds and altered joint angles in African Americans, highlighting the need for diverse research samples.

Keywords:
African AmericanClinical translationKinematicKinetic

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Area of Science:

  • Biomechanics
  • Human Movement Science
  • Racial Health Disparities

Background:

  • Racial disparities in musculoskeletal injuries are prevalent.
  • Biomechanics research has historically lacked racial diversity.
  • Understanding racial differences in gait is crucial for effective rehabilitation and injury prevention.

Purpose of the Study:

  • To investigate racial differences in gait mechanics between African Americans (AA) and white Americans (WA).
  • To test the hypothesis that distinct gait patterns exist between these racial groups.

Main Methods:

  • Recruited 92 participants (18-30 years) with equal representation of AA, WA, males, and females.
  • Utilized 3D motion capture and force plate data during walking trials at self-selected, regular, and fast speeds.
  • Computed kinematic and kinetic parameters including step length, step width, and joint angles.

Main Results:

  • African Americans exhibited slower self-selected walking speeds compared to white Americans.
  • No significant interactions between race and sex were observed.
  • African Americans demonstrated smaller peak ankle plantarflexion and hip extension angles during fast walking.

Conclusions:

  • Gait mechanics differ significantly between African Americans and white Americans.
  • Equivalency in biomechanical measures across racial groups cannot be assumed.
  • Future research and clinical protocols should prioritize racially diverse samples and individualized approaches.