Dual-Task Effect on Gait in Healthy Adolescents: Association between Health-Related Indicators and DT Performance.
Dual-Task Effect on Gait in Healthy Adolescents: Association between Health-Related Indicators and DT Performance.
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DOI：
10.1080/00222895.2020.1844616
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发表时间：
2021
影响因子：
1.4
通讯作者：
Dawes, Helen
中科院分区：
文献类型：
--
作者：
Cinar, Eda;Weedon, Benajmin David;Esser, Patrick;Joshi, Shawn;Liu, Yan-Ci;Delextrat, Anne;Meaney, Andy;Collett, Johnny;Springett, Daniella Nicole;Dawes, Helen
本研究的目的是确定双任务（DT）对不同体质和健康状况的青少年步态的影响。对365例13-14岁的青少年进行单步和双步步态评估。采用多元回归分析，将单步到双步步态参数的比例变化与性别、体重指数（BMIz）、MABC-2的三个组成部分（平衡、瞄准和抓握、手灵巧度）、组（运动能力高低）、身体力量、身体健康水平进行回归分析；二次分析中MABC-2的性别和四项平衡测试。分析表明，女性的步态速度和步幅缩短幅度更大，双支撑时间和步幅增加幅度更大；在平衡方面得分较低的人，其步态速度、节奏和步数的下降幅度更大。平衡子测试中只有之字形跳跃项对步速和步长有DT效应。DT对步态的影响与其他预测因子之间没有明显的关系。平衡功能水平较低的女性和青少年在行走中可能有较高的DT缺陷风险。
The purpose of this study was to determine how dual-task (DT) effect on gait differs among adolescents with different fitness and health profiles. The gait performances of 365 adolescents aged 13–14 years were assessed at single and DT walking. The proportional changes in gait parameters from single to dual were regressed against gender, body mass index (BMIz), three components of MABC-2 (balance, aiming &catching and manual dexterity), group (high vs low motor competence), body strength, physical fitness level using multiple regression analyses; and gender and four items of balance subtest of MABC-2 in the secondary analysis. The analyses showed that being female was associated with greater reduction in gait speed and stride length and an increase in double support time and step time; and having lower score in balance was related to greater reduction in gait speed, and cadence, and an increase in step time. Only zig-zag hopping item of the balance subtest was associated with DT effect on gait speed and stride length. No significant relationships were found between DT effect on gait and the rest of the predictors. Females and adolescents with lower level of balance function may be at higher risk of having DT deficit during walking.
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影响因子：
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通讯作者：
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