Changes in balance performance in physically active elderly people aged 73-80

Area of Science:

• Gerontology
• Exercise Physiology
• Biomechanics

Background:

• Healthy elderly individuals participated in a 1989 study on physical training and balance.
• Most participants continued some form of balance training after the initial study.

Purpose of the Study:

• To evaluate the long-term effects of continued physical activity on balance in elderly individuals.
• To compare current balance performance with baseline measurements from seven years prior.

Main Methods:

• Follow-up study of 17 participants (mean age 80.5 years) from an original cohort of 30.
• Assessment of static balance, walking speed, subjective balance/vertigo, and dynamic posturography.
• Analysis included comparison of performance metrics between 1989 and the follow-up period.

Main Results:

• Significant impairment in four of six static balance tests compared to 1989.
• Increased time to complete a 30-meter walk.
• No significant change in subjective ratings of vertigo or balance issues.
• Improved postural control in one dynamic posturography condition (sway-referenced visual cues).
• Increased latencies in force response to sudden backward platform translations.

Conclusions:

• Despite continued physical activity, elderly individuals experienced significant declines in certain aspects of static balance and walking performance over seven years.
• Dynamic balance showed mixed results, with improvements in specific sensory conditions but not others.
• The findings suggest that continued physical activity may not fully mitigate age-related balance decline in the long term.