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Related Experiment Videos

Treadmill exercise negatively affects visual contribution to static postural stability.

W Derave1, N Tombeux, J Cottyn

  • 1Department of Movement and Sports Sciences, University of Ghent, Ghent, Belgium.

International Journal of Sports Medicine
|January 5, 2002
PubMed
Summary
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Moderate exercise impairs postural stability, especially with eyes open, with running having a greater effect than walking. This highlights exercise

Area of Science:

  • Exercise Physiology
  • Biomechanics
  • Neuroscience

Background:

  • Postural stability is crucial for daily activities.
  • Physical exercise can transiently affect balance control.
  • Understanding post-exercise balance deficits is important for injury prevention and performance.

Purpose of the Study:

  • To investigate the impact of moderate-intensity exercise (walking vs. running) on postural stability.
  • To determine the role of visual input in post-exercise balance control.
  • To examine differences in postural sway between walking and running.

Main Methods:

  • Nine healthy subjects performed 30-minute treadmill walking and running at matched energy expenditure.
  • Postural sway was measured using force plate analysis (mean velocity of centre of pressure).

Related Experiment Videos

  • Kinematic analysis of head movement was conducted during exercise.

    • Main Results:

    • Exercise increased 2D postural sway by 9-19% in the eyes-open condition, but not eyes-closed.
    • Postural sway was significantly higher after running compared to walking.
    • Running exhibited greater vertical head displacement and acceleration than walking.

    Conclusions:

    • Moderate exercise, particularly running, impairs visual contribution to postural stability.
    • Exercise-induced postural instability affects both sagittal and frontal planes, with a more transient effect in the sagittal plane.
    • Greater head movement during running may contribute to more significant postural disturbances.