Azadian Elaheh, Majlesi Mahdi, Jafarnezhadgero Amir Ali
Department of Motor Behavior, Faculty of Humanities, Islamic Azad University, Hamedan Branch, Hamedan, Iran.
Department of Sport Biomechanics, Faculty of Humanities, Islamic Azad University, Hamedan Branch, Hamedan, Iran.
J Bodyw Mov Ther. 2018 Oct;22(4):881-887. doi: 10.1016/j.jbmt.2017.08.008. Epub 2017 Aug 26.
The purpose of this study was to evaluate the role of working memory (WM) training on walking patterns in elderly people.
20 elderly adults were selected and assigned randomly to two groups: WM training group and control group. WM training group received 6 weeks of computerized training on various spatial and verbal WM tasks. The spatial-temporal parameters, the ground reaction force and the timing activity of muscles in pre-posttest and in a follow-up were taken.
The results indicated that a significant change in gait speed, double support time and stride time (p < 0.05). Alternations in ground reaction force (GRF) components were found significant. Timing of muscle activity also showed non-significant change after WM intervention.
Based on the results of this study, it can be concluded that WM intervention can be applied to improve gait parameters. The improvements in vertical ground reaction force after training may result in an increase upright stability and a decreased in rate falls.
本研究的目的是评估工作记忆（WM）训练对老年人行走模式的作用。
选取20名老年人并随机分为两组：WM训练组和对照组。WM训练组接受为期6周的各种空间和言语WM任务的计算机化训练。在测试前后和随访时采集时空参数、地面反作用力和肌肉定时活动情况。
结果表明，步态速度、双支撑时间和步幅时间有显著变化（p<0.05）。发现地面反作用力（GRF）分量有显著改变。WM干预后肌肉活动定时也显示无显著变化。
基于本研究结果，可以得出结论，WM干预可用于改善步态参数。训练后垂直地面反作用力的改善可能会提高直立稳定性并降低跌倒率。
