The Validity and Reliability of a New Intelligent Three-Dimensional Gait Analysis System in Healthy Subjects and Patients with Post-Stroke

被引:8
作者
Wang, Yingpeng [1 ]
Tang, Ran [1 ]
Wang, Hujun [1 ]
Yu, Xin [2 ]
Li, Yingqi [1 ]
Wang, Congxiao [1 ]
Wang, Luyi [1 ]
Qie, Shuyan [1 ]
机构
[1] Capital Med Univ, Beijing Rehabil Hosp, Dept Rehabil, Beijing 100144, Peoples R China
[2] Capital Med Univ, Beijing Rehabil Med Coll, Beijing 100144, Peoples R China
关键词
gait analysis; Odonate; stroke; reliability; validity; KINECT; REHABILITATION; TRACKING; FORCE;
D O I
10.3390/s22239425
中图分类号
O65 [分析化学];
学科分类号
070302 ; 081704 ;
摘要
Odonate is a new, intelligent three-dimensional gait analysis system based on binocular depth cameras and neural networks, but its accuracy has not been validated. Twenty-six healthy subjects and sixteen patients with post-stroke were recruited to investigate the validity and reliability of Odonate for gait analysis and examine its ability to discriminate abnormal gait patterns. The repeatability tests of different raters and different days showed great consistency. Compared with the results measured by Vicon, gait velocity, cadence, step length, cycle time, and sagittal hip and knee joint angles measured by Odonate showed high consistency, while the consistency of the gait phase division and the sagittal ankle joint angle was slightly lower. In addition, the stages with statistical differences between healthy subjects and patients during a gait cycle measured by the two systems were consistent. In conclusion, Odonate has excellent inter/intra-rater reliability, and has strong validity in measuring some spatiotemporal parameters and the sagittal joint angles, except the gait phase division and the ankle joint angle. Odonate is comparable to Vicon in its ability to identify abnormal gait patterns in patients with post-stroke. Therefore, Odonate has the potential to provide accessible and objective measurements for clinical gait assessment.
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页数:13
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