A Comparison of Walking Behavior during the Instrumented TUG and Habitual Gait.
A Comparison of Walking Behavior during the Instrumented TUG and Habitual Gait.
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DOI：
10.3390/s23167261
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发表时间：
2023-08-18
期刊：
影响因子：
--
通讯作者：
Shanidze NM
中科院分区：
文献类型：
--
作者：
Agathos CP;Velisar A;Shanidze NM
定时启动测试（TUG）是一种常见的临床功能平衡测试，通常用于补充由于衰老或感觉/运动功能障碍引起的感觉运动变化的结果。仪器化TUG可用于获得对移动性变化更敏感的客观姿势和步态测量。我们调查了TUG期间的步态和身体协调是否代表行走。我们检查了TUG的行走阶段，并将步态指标（步幅持续时间和长度、行走速度和步频）和头部/躯干加速度与正常行走进行了比较。后者是姿势控制的一个关键方面，也可以揭示感觉和运动功能的变化。40名参与者被分为三组：年轻人，老年人和视力障碍的老年人。所有人都在头部、胸部和右脚踝上佩戴超轻型无线伊穆斯组件，进行了牵引和短距离行走任务。步态和头部/躯干加速度指标在不同任务之间具有可比性。此外，步幅和步行速度与参与者的年龄相关。那些有视力障碍的人比有视力的老年人走得慢得多。我们认为，TUG可以是一个有价值的工具，检查步态和稳定性在步行过程中，没有额外的时间或空间的限制。
The timed up and go test (TUG) is a common clinical functional balance test often used to complement findings on sensorimotor changes due to aging or sensory/motor dysfunction. The instrumented TUG can be used to obtain objective postural and gait measures that are more sensitive to mobility changes. We investigated whether gait and body coordination during TUG is representative of walking. We examined the walking phase of the TUG and compared gait metrics (stride duration and length, walking speed, and step frequency) and head/trunk accelerations to normal walking. The latter is a key aspect of postural control and can also reveal changes in sensory and motor function. Forty participants were recruited into three groups: young adults, older adults, and older adults with visual impairment. All performed the TUG and a short walking task wearing ultra-lightweight wireless IMUs on the head, chest, and right ankle. Gait and head/trunk acceleration metrics were comparable across tasks. Further, stride length and walking speed were correlated with the participants’ age. Those with visual impairment walked significantly slower than sighted older adults. We suggest that the TUG can be a valuable tool for examining gait and stability during walking without the added time or space constraints.
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