A Comparison of Algorithms for Body-Worn Sensor-Based Spatiotemporal Gait Parameters to the GAITRite Electronic Walkway

被引：35
作者：
Greene, Barry R.
Foran, Timothy G. [1 ]
McGrath, Denise [2 ]
Doheny, Emer P.
Burns, Adrian
Caulfield, Brian [2 ]
机构：
[1] St James Hosp, Dept Med Phys & Clin Engn, Dublin, Ireland
[2] Univ Coll Dublin, Sch Physiotherapy & Performance Sci, Dublin, Ireland
来源：
JOURNAL OF APPLIED BIOMECHANICS | 2012年 / 28卷 / 03期
关键词：
body-worn sensors; GAITRite; SHIMMER; gait analysis; CEREBRAL-PALSY; OLDER-ADULTS; SYSTEM; WALKING; ACCELEROMETERS; GYROSCOPES; VALIDITY;
D O I：
10.1123/jab.28.3.349
中图分类号：
R318 [生物医学工程];
学科分类号：
0831 ;
摘要：
This study compares the performance of algorithms for body-worn sensors used with a spatiotemporal gait analysis platform to the GAITRite electronic walkway. The mean error in detection time (true error) for heel strike and toe-off was 33.9 +/- 10.4 ms and 3.8 +/- 28.7 ms, respectively. The ICC for temporal parameters step, stride, swing and stance time was found to be greater than 0.84, indicating good agreement. Similarly, for spatial gait parameters-stride length and velocity-the ICC was found to be greater than 0.88. Results show good to excellent concurrent validity in spatiotemporal gait parameters, at three different walking speeds (best agreement observed at normal walking speed). The reported algorithms for body-worn sensors are comparable to the GAITRite electronic walkway for measurement of spatiotemporal gait parameters in healthy subjects.
引用
收藏
页码：349 / 355
页数：7
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