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Shahid Bahonar of Kerman , shayanheb@gmail.com
Abstract:   (1859 Views)
Circadian rhythms play a crucial role in regulating various physiological functions of the human body and can impact the ability to perform motor tasks. In this study, we aimed to investigate the effect of time of day on static and dynamic balance using a cognitive task approach. We recruited 24 elderly men aged between 60-70 years who performed both static (standing on the foot scanner) and dynamic (timed up and go) balance tests with and without cognitive dual tasks. Our statistical analysis, using a significance level of 0.05, revealed significant differences in the parameters of the 95% confidence ellipse (fluctuation range), length of path, and average velocity of the center of pressure when performing the dual task compared to normal walking. However, these variables did not significantly differ at different times of the day. Interestingly, our results showed that the center of pressure fluctuations in closed eyes and different times of the day did not have a significant difference. Overall, our findings suggest that healthy elderly individuals are at similar risk of falling or tripping during different hours of the day. Nonetheless, the simultaneous execution of dual cognitive tasks leads to balance disruption in both eyes-arm closed positions.
Type of Study: Research | Subject: sport biomechanic
Received: 2023/05/7 | Accepted: 2023/08/30

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