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Short-term differential training decreases postural sway.

Eric G James1

  • 1Department of Health and Human Performance, University of Texas at Brownsville, USA.

Gait & Posture
|July 24, 2013
PubMed
Summary
This summary is machine-generated.

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Differential training improved postural control by reducing head movement, demonstrating its effectiveness for motor learning in simple tasks like maintaining balance. This method enhances balance more than repetitive practice.

Area of Science:

  • Motor Control
  • Human Movement Science
  • Biomechanics

Background:

  • Differential training enhances motor learning in complex sports skills.
  • Postural sway, a measure of balance, is crucial for stability.
  • Understanding how to improve postural control is vital for preventing falls and enhancing performance.

Purpose of the Study:

  • To investigate the efficacy of differential training in minimizing postural sway.
  • To compare differential training with repetitive practice for postural control.
  • To analyze the effects of training on movement at the center of mass and head.

Main Methods:

  • Participants were assigned to either a differential training group or a repetitive practice group.
  • Training involved 15 one-minute trials with specific postural instructions or aiming for stillness.
Keywords:
Differential learningDynamicsJerkPostureSway

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  • Pre- and post-tests assessed postural sway using accelerometry, measuring root mean square jerk (RMSJ) at the center of mass and head.

    • Main Results:

    • Differential training significantly reduced anteroposterior RMSJ at the head in both one- and two-leg stances.
    • No significant changes in RMSJ were observed at the center of mass or for mediolateral movements.
    • Repetitive practice did not yield significant improvements in postural sway.

    Conclusions:

    • Differential training can enhance motor learning in simple motor tasks, such as maintaining quiet stance.
    • The benefits of differential training on postural sway are primarily observed in head movements, not center of mass.
    • This suggests differential training is a viable method for improving balance and stability.