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Related Experiment Video

Updated: Jun 15, 2026

Experimental Methods to Study Human Postural Control
08:12

Experimental Methods to Study Human Postural Control

Published on: September 11, 2019

Sensory system function and postural stability in men aged 30-80 years.

Sara Illing1, Nancy Low Choy, Jennifer Nitz

  • 1The University of Queensland, Brisbane, Australia.

The Aging Male : the Official Journal of the International Society for the Study of the Aging Male
|March 6, 2010
PubMed
Summary
This summary is machine-generated.

Postural stability and sensory functions decline with age in men, starting in the 40s and becoming significant by the 60s. This highlights the need for fall risk assessments in older male workers.

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Area of Science:

  • Gerontology
  • Human Physiology
  • Biomedical Engineering

Background:

  • Aging is associated with declines in sensory and motor functions.
  • Postural stability is crucial for preventing falls, especially in older adults.
  • Understanding age-related sensory system changes is vital for maintaining independence and safety.

Purpose of the Study:

  • To investigate age-related changes in postural stability.
  • To assess the functional decline of sensory systems (vision, somatosensation, vestibular) in aging men.
  • To identify the age at which these declines become statistically significant.

Main Methods:

  • An observational, cross-sectional study involving 106 healthy men aged 30-80 years.
  • Evaluated postural sway during bilateral stance and single-leg stance under various conditions (firm/foam surface, eyes open/closed).
  • Assessed lower limb somatosensation, visual acuity (high and low contrast), contrast sensitivity, and vestibular-ocular reflex (VOR) control.

Main Results:

  • Reduced postural stability was observed in men in their 60s and 70s compared to younger groups.
  • Single-leg stance stability declined from the 40s-50s (eyes closed).
  • Somatosensation and visual acuity (HCVA, LCVA) significantly reduced by the 60s; contrast sensitivity by the 50s; VOR changes emerged in the 70s.

Conclusions:

  • Significant reductions in postural stability and sensory system function occur in men by their 60s.
  • These age-related declines underscore the importance of proactive fall risk assessments.
  • Findings support pre-emptive evaluation for workers in fall-prone industries, particularly older men.