Triaxial joint moment estimation using a wearable three-dimensional gait analysis system

被引：33
作者：
Liu, T. [1 ]
Inoue, Y. [1 ]
Shibata, K. [1 ]
Shiojima, K. [2 ]
Han, M. M. [3 ]
机构：
[1] Kochi Univ Technol, Sch Syst Engn, Kami, Kochi 7828502, Japan
[2] TEC GIHAN Co Ltd, Uji, Kyoto 6110033, Japan
[3] INSENCO R&D LAB Inc, Nerima Ku, Tokyo 1790072, Japan
来源：
MEASUREMENT | 2014年 / 47卷
关键词：
Gait analysis; Ground reaction force; Joint moments; Segment orientation; Wearable sensors;
D O I：
10.1016/j.measurement.2013.08.020
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We developed a wireless sensor system composed of a mobile force plate system, three-dimensional (3D) motion sensor units and a wireless data logger. Triaxial joint moments of the ankle, knee and hip joints were calculated using measurements of the sensor system. The accuracy of the joint moment estimation is validated against results obtained from the reference measurement system composed of a camera based motion analysis system and force plates. Triaxial joint moments measured by the sensor system showed normalized root mean square error (NRMSE) and correlation coefficient (R) of less than 22% and more than 0.80 in comparison with the stationary system. (C) 2013 Elsevier Ltd. All rights reserved.
引用
收藏
页码：125 / 129
页数：5
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