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ORIGINAL ARTICLE
Year : 2019  |  Volume : 6  |  Issue : 3  |  Page : 141-146

Stability while walking is affected by walking speed and cognitive load


1 Department of Physical Education and Sport Sciences, Central Tehran Branch, Islamic Azad University, Tehran, Iran
2 Faculty of Physical Education and Sport Sciences, Khorasgan Branch, Islamic Azad University, Esfahan, Iran
3 Faculty of Physical Education and Sport Sciences, Kharazmi University, Tehran, Iran
4 Sports Sciences Research Institute of Iran (SSRII), Tehran, Iran

Correspondence Address:
Dr. Mahdi Namazizadeh
Faculty of Physical Education and Sport Sciences, Khorasgan Branch, Islamic Azad University, Esfahan
Iran
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/iahs.iahs_20_19

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Aims: The aim of this study is to examine the effect of walking speed and cognitive load on learning gait stability in younger and older adults. Materials and Methods: Ten adults (five males and five females) and ten elderly (five males and five females) were healthy volunteers without a history of falls. He was asked to do three tasks on a treadmill with speed (preferred, fast, and slow) with/without cognitive load. The gait-stability ratio (GSR) for each of the above conditions was calculated in terms of both younger and older adults. Two-way repeated measures ANOVA was used to examine the mean differences at a significance level of 0.05. Results: The results showed that the cognitive performance score decreases with increasing speed. Moreover, at faster and slower speeds than prefer speed with/without cognitive load, GSR is higher, and this value was observed more in elderly than in adults (P < 0.05). Conclusion: The elderly, through different walking strategies, especially the lowering phase, provide more double support while walking, so that they will fall less with increasing steadiness.


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