Evaluation of postural balance under single and double task conditions in sedentary and non-sedentary elderly females
DOI:
https://doi.org/10.11606/issn.2317-0190.v18i3a103640Keywords:
Elderly, Postural Balance, Motor Activity, exerciseAbstract
Objective:To evaluate and compare the dynamic balance under the single and double task conditions both of elderly females who practice physical exercises regularly and of sedentary elderly females. Methods: The sample was composed of 28 elderly, with 14 non-sedentary (67.20±4.21 years), and 14 sedentary (68.78±5.26 years). To evaluate their balance and mobility, the Timed Get up and Go test was used and correlated with the motor task and to the cognitive task. The Student t-test was applied for independent samples and the paired Student t-test, considering the significance level of α=0,05. Results: The non-sedentary elderly women performed the simple test in a significantly less time than the sedentary ones (9.40 vs 11.21 seconds; p=0.016), and the test correlated with a motor task (9.41 vs 11.81 seconds; p=0.007). There was no statistically significant difference between the averages in the time to perform the cognitive task between the two groups (p=0.169). For the non-sedentary group, the time to perform the cognitive task was significantly longer than in the simple test and in the motor task (p=0.021 and p=0.014, respectively), as well as for the sedentary group (p=0.000 and p=0.002, respectively). In both groups, positive moderate to highly significant correlations were observed between the performances of the simple and cognitive double, simple and motor double, and the motor double and cognitive double tests. Conclusion: The study demonstrated the positive influence of regular physical activity on functionality and the negative impact of adding a cognitive task to balance and mobility of elderly females.
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