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ExpGeront: even strong coffee does not affect the balance of people in old age
British scientists from Coventry University and Birmingham City University studied the effects of coffee consumption on balance and physical function in older adults. The results showed that caffeine does not harm physical tone. The study is published in the scientific journal Experimental Gerontology (ExpGeront).
Muscle strength, coordination and balance naturally decline with age, increasing the risk of falls. Falls are a serious health problem for older adults, often resulting in injuries and hospitalizations.
Given the popularity of coffee among older adults, researchers decided to study how its consumption affects balance and physical function.
The new experiment involved 22 healthy older adults (12 men and 10 women) with an average age of 68. Participants underwent four testing sessions in which they consumed caffeinated coffee (3 mg per kg of body weight), decaffeinated coffee or a placebo drink, or no liquid at all.
To assess balance, participants stood on a force platform under various conditions (with eyes open or closed, on a hard or soft surface). Researchers measured movements of the body's center of pressure, a key indicator of stability. Physical function tests were also performed, including getting up from a chair, arm flexion, walking for time and a step test.
The study found that drinking caffeinated coffee did not significantly change the ability to maintain balance or perform physical tasks. Participants who drank caffeinated coffee showed no significant differences in test scores compared to those who drank decaffeinated coffee, a placebo, or no fluids at all.
One interesting observation was that caffeinated coffee slightly increased the frequency of small posture adjustments. This may indicate a change in balance strategy, but did not affect overall stability.
The study confirmed that moderate coffee consumption does not impair balance or physical function in older adults.
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