Volume 12, Issue 1 (spring 2025)
J Prevent Med 2025, 12(1): 73-86 |
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Ethics code: IR.YAZD.REC.1403. 068
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Ahmadniri F, Samadi H, Ahar S. The Effect of Mental Fatigue on the Coordination Variability of Gait in Elderly Under Dual and Single Task Conditions. J Prevent Med 2025; 12 (1) :73-86
URL: http://jpm.hums.ac.ir/article-1-837-en.html
URL: http://jpm.hums.ac.ir/article-1-837-en.html
1- MSc in Motor Behavior, Department of Motor Behavior and Sports Psychology, Faculty of Psychology and Educational Sciences, Department of Physical Education and Sport Sciences, Yazd University, Yazd, Iran
2- Corresponding Author, Associate Professor of Motor Behavior, Faculty of Psychology and Educational Sciences, Department of Physical Education and Sport Sciences, Yazd University, Yazd, Iran
3- Assistant Professor of motor development, Faculty of Psychology and Educational Sciences, Department of Physical Education and Sport Sciences, Yazd University, Yazd, Iran
2- Corresponding Author, Associate Professor of Motor Behavior, Faculty of Psychology and Educational Sciences, Department of Physical Education and Sport Sciences, Yazd University, Yazd, Iran
3- Assistant Professor of motor development, Faculty of Psychology and Educational Sciences, Department of Physical Education and Sport Sciences, Yazd University, Yazd, Iran
Abstract: (846 Views)
Introduction: One of the main causes of mortality in the elderly is related to injuries caused by imbalance
and falls, and therefore, it is important to investigate the effect of factors affecting falls in order to prevent them. The aim of the study was to investigate the effect of mental fatigue and on the coordination variability of gait in elderly under dual and single task conditions.
Methods: The study was a quasi-experimental and applied study with a pre-test-post-test design. The statistical population of the study consisted of elderly people over 60 years of age living in Yazd city in 1402, of whom 30 elderly people were selected through convenience sampling. The coordination variability of participants' gait in four conditions, normal state (single task), dual task, mental fatigue, and dual task after mental fatigue, was recorded by a motion capture system and the data was analyzed. The Stroop test was used to induce mental fatigue and the visual analog scale was used to measure mental fatigue. For statistical analysis of data, repeated measures analysis of variance method and SPSS software version 24 were used.
Results: The results showed that the coordination variability of hip-thigh (P=0.71), thigh-knee (P=0.55), and knee-ankle (P=0.06) joint in elderly people's walking during mental fatigue in single and dual task conditions had a relative increase, but these changes were not significant (P≥0.05).
Conclusion: The results of the study showed that the coordination variability of lower limb joint in elderly people's gait during mental fatigue in single and dual task conditions was not significant. According to the findings, further research is recommended to investigate the effect of mental fatigue and increased cognitive load
on gait variability.
Type of Study: Orginal |
Subject:
Occupational Medicine
Received: 2025/03/22 | Accepted: 2025/05/31 | Published: 2025/06/21
Received: 2025/03/22 | Accepted: 2025/05/31 | Published: 2025/06/21
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