Laboratory of Anatomy, Biomechanics and Organogenesis (LABO), Université Libre de Bruxelles, CP 610, Lennik Street 808, 1070 Brussels, Belgium.
Gait Posture. 2014;39(1):593-8. doi: 10.1016/j.gaitpost.2013.09.018. Epub 2013 Oct 5.
The recent availability of the Kinect™ sensor, a cost-effective markerless motion capture system (MLS), offers interesting possibilities in clinical functional analysis and rehabilitation. However, neither validity nor reproducibility of this device is known yet. These two parameters were evaluated in this study. Forty-eight volunteers performed shoulder abduction, elbow flexion, hip abduction and knee flexion motions; the same protocol was repeated one week later to evaluate reproducibility. Movements were simultaneously recorded by the Kinect (with Microsoft Kinect SDK v.1.5) MLS and a traditional marker-based stereophotogrammetry system (MBS). Considering the MBS as reference, discrepancies between MLS and MBS were evaluated by comparing the range of motion (ROM) between both systems. MLS reproducibility was found to be statistically similar to MBS results for the four exercises. Measured ROMs however were found different between the systems.
最近，Kinect™传感器（一种经济实惠的无标记运动捕捉系统，即 MLS）的出现为临床功能分析和康复提供了有趣的可能性。然而，该设备的有效性和可重复性尚未可知。本研究旨在评估这两个参数。48 名志愿者进行了肩外展、肘屈曲、髋外展和膝屈曲运动；一周后重复相同的方案以评估可重复性。运动由 Kinect（使用 Microsoft Kinect SDK v.1.5）MLS 和传统的基于标记的体视摄影测量系统（MBS）同时记录。以 MBS 为参考，通过比较两种系统的运动范围（ROM）来评估 MLS 和 MBS 之间的差异。对于四项运动，MLS 的可重复性与 MBS 的结果统计学上相似。然而，两种系统之间的测量 ROM 存在差异。
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