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The interactive effect of cognitive and physical dual task interventions on obstacle negotiation while walking in healthy young, and older, adults
Neurology India ( IF 0.9 ) Pub Date : 2021-07-01 , DOI: 10.4103/0028-3886.325349 Kitchana Kaewkaen 1 , Tulaporn Chueathaeo 2 , Siwanart Angart 2 , Sirikul Chomkan 2 , Surapong Uttama 3 , Wilawan Chaiut 2 , Ploypailin Namkorn 1 , Chatchada Sutalangka 2 , Pratchaya Kaewkaen 4
Context: Dual task performance affects obstacle crossing ability in older adults. Previous studies suggest that cognitive dual tasking can lead to changes in obstacle crossing performance in older adults, but there is a lack of evidence to support changes in obstacle crossing performance due to the influence of motor dual tasking.
Aims: To investigate the interaction of cognitive and motor tasks, on obstacle crossing performance, in healthy young and older adults.
Settings and Design: This is a cross sectional comparative study, conducted at Mae Fah Luang University, Thailand.
Methods and Material: Sixty-four participants performed an obstacle crossing task under three conditions during a 4-meter walk test. These included walking at their normal speed with an obstacle in the middle of the walkway, followed by 2 further order-randomized walking conditions comprising a cognitive and a motor dual tasking walking condition. The spatio-temporal gait variables and obstacle crossing kinematic variables were measured using a Kinect three-camera system.
Statistical Analysis Used: The means for each variable, and for each condition, were analyzed using a mixed model analysis of variance (ANOVA) with walking conditions as covariant factors.
Results: A significant main interaction effect was found in gait speed (P < 0.001), step length (P = 0.046) and cadence (P = 0.011), but there was only a significant between-group difference in step length during obstacle crossing, while performing a cognitive dual task (P = 0.008) and a motor dual task (P < 0.001).
Conclusions: Older adults adopted a conservative strategy, and walked with a shorter step length, when stepping over an obstacle while performing a dual task.
中文翻译：
认知和身体双重任务干预对健康年轻人和老年人行走时障碍谈判的交互作用
背景：双重任务表现会影响老年人的越障能力。以前的研究表明，认知双重任务可以导致老年人越障表现的变化，但由于运动双重任务的影响，缺乏证据支持越障表现的变化。
目的：调查认知和运动任务的相互作用，对健康年轻人和老年人的越障表现。
设置和设计：这是一项横断面比较研究，在泰国皇太后大学进行。
方法和材料：在 4 米步行测试中，64 名参与者在三种条件下执行了越障任务。这些包括以正常速度行走，在人行道中间有障碍物，然后是另外 2 种顺序随机的步行条件，包括认知和运动双重任务步行条件。使用 Kinect 三摄像头系统测量时空步态变量和越障运动学变量。
使用的统计分析：使用混合模型方差分析 (ANOVA) 分析每个变量和每个条件的平均值，其中步行条件作为协变因素。
结果：步速（P < 0.001）、步长（P= 0.046) 和节奏 ( P = 0.011)，但在执行认知双重任务 ( P = 0.008) 和运动双重任务 ( P < 0.001)时，在越障过程中步长仅存在显着组间差异。
结论：老年人在执行双重任务时跨过障碍物时采取了保守的策略，并以更短的步长行走。
更新日期：2021-09-02
Neurology India ( IF 0.9 ) Pub Date : 2021-07-01 , DOI: 10.4103/0028-3886.325349 Kitchana Kaewkaen 1 , Tulaporn Chueathaeo 2 , Siwanart Angart 2 , Sirikul Chomkan 2 , Surapong Uttama 3 , Wilawan Chaiut 2 , Ploypailin Namkorn 1 , Chatchada Sutalangka 2 , Pratchaya Kaewkaen 4
Affiliation
Context: Dual task performance affects obstacle crossing ability in older adults. Previous studies suggest that cognitive dual tasking can lead to changes in obstacle crossing performance in older adults, but there is a lack of evidence to support changes in obstacle crossing performance due to the influence of motor dual tasking.
Aims: To investigate the interaction of cognitive and motor tasks, on obstacle crossing performance, in healthy young and older adults.
Settings and Design: This is a cross sectional comparative study, conducted at Mae Fah Luang University, Thailand.
Methods and Material: Sixty-four participants performed an obstacle crossing task under three conditions during a 4-meter walk test. These included walking at their normal speed with an obstacle in the middle of the walkway, followed by 2 further order-randomized walking conditions comprising a cognitive and a motor dual tasking walking condition. The spatio-temporal gait variables and obstacle crossing kinematic variables were measured using a Kinect three-camera system.
Statistical Analysis Used: The means for each variable, and for each condition, were analyzed using a mixed model analysis of variance (ANOVA) with walking conditions as covariant factors.
Results: A significant main interaction effect was found in gait speed (P < 0.001), step length (P = 0.046) and cadence (P = 0.011), but there was only a significant between-group difference in step length during obstacle crossing, while performing a cognitive dual task (P = 0.008) and a motor dual task (P < 0.001).
Conclusions: Older adults adopted a conservative strategy, and walked with a shorter step length, when stepping over an obstacle while performing a dual task.
中文翻译：
认知和身体双重任务干预对健康年轻人和老年人行走时障碍谈判的交互作用
背景：双重任务表现会影响老年人的越障能力。以前的研究表明，认知双重任务可以导致老年人越障表现的变化，但由于运动双重任务的影响，缺乏证据支持越障表现的变化。
目的：调查认知和运动任务的相互作用，对健康年轻人和老年人的越障表现。
设置和设计：这是一项横断面比较研究，在泰国皇太后大学进行。
方法和材料：在 4 米步行测试中，64 名参与者在三种条件下执行了越障任务。这些包括以正常速度行走，在人行道中间有障碍物，然后是另外 2 种顺序随机的步行条件，包括认知和运动双重任务步行条件。使用 Kinect 三摄像头系统测量时空步态变量和越障运动学变量。
使用的统计分析：使用混合模型方差分析 (ANOVA) 分析每个变量和每个条件的平均值，其中步行条件作为协变因素。
结果：步速（P < 0.001）、步长（P= 0.046) 和节奏 ( P = 0.011)，但在执行认知双重任务 ( P = 0.008) 和运动双重任务 ( P < 0.001)时，在越障过程中步长仅存在显着组间差异。
结论：老年人在执行双重任务时跨过障碍物时采取了保守的策略，并以更短的步长行走。
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