Balance Training Enhances Vestibular Function and Reduces Overactive Proprioceptive Feedback in Elderly

Area of Science:

• Neuroscience
• Gerontology
• Biomechanics

Background:

• Postural control declines in elderly due to sensory, motor, and adaptive mechanism degradation.
• Brain network models offer insights into complex postural control mechanisms.

Purpose of the Study:

• To evaluate the impact of a progressive balance training program on postural control impairments in the elderly.
• To characterize changes in postural control using a brain network model.

Main Methods:

• Compared postural control in 35 healthy elderly and 35 healthy young subjects.
• Eighteen elderly subjects underwent a 10-week balance training program.
• Postural control analyzed via spontaneous sway and reactions to support surface tilts, interpreted with a brain network model.

Main Results:

• Balance training significantly reduced exaggerated postural reactions in the elderly, bringing them closer to young adults' responses.
• Training did not significantly alter differences in spontaneous sway, time delays, or motor feedback between elderly and young subjects.
• The training effect was extrapolated to a 10-year juvenescence in postural control.

Conclusions:

• Balance training effectively reduces overactive proprioceptive feedback and restores vestibular orientation in the elderly.
• Continuous balance training offers considerable benefits for the elderly, even those without sensorimotor deficits.
• The findings suggest a potential for significant improvement in balance and a delay in age-related decline.