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Inter-Examiner, Within-Session and Between-Session Repeatability of Kinematic Gait Parameters Among Adult Subjects

机译：成人受试者的运动步态参数的考官间，会话内和会话间可重复性

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Purpose. This research aimed to assess the repeatability of results obtained when analysing gait by means of a system designed for objective gait analysis in a single laboratory setting by a single examiner within-session and between-sessions. Methods. For the purpose of this research, the BTS Smart-D movement analysis system, produced by Capture Motion System of Italy, was used. Four healthy adults were examined. The subjects took part in three gait analysis testing sessions, with each session separated by a two-day break. During each session, two sets of measurements were taken for each subject. Statistical analysis was performed with StatSoft’s Statistica 7.1 software. Results. Within each session, all examined temporal and spatial parameters were found to be repeatable. Only in hip and knee joint rotation was repeatability not confirmed within session. Between the sessions, repeatability was confirmed in pelvic rotation, abduction/adduction of the knee joint and for all foot kinematic parameters. Conclusions. Conducting gait analysis by one researcher does not guarantee obtaining repeatable results for all measured kinematic parameters, either within one session or between sessions; caution ought to be exercised when interpreting results. Among the studied parameters, hip and knee joint rotation provided the most difficulty in obtaining repeatable results. For this reason, diagnostic and therapeutic decisions based on such data require the utmost consideration.
机译：目的。这项研究的目的是评估通过一个系统设计的系统进行步态分析时获得的结果的可重复性，该系统设计用于在单个实验室环境中由单个检查员在场内和场间进行客观步态分析。方法。为了本研究的目的，使用了由意大利的Capture Motion System生产的BTS Smart-D运动分析系统。检查了四个健康的成年人。受试者参加了三个步态分析测试会议，每个会议间隔两天。在每个阶段中，对每个受试者进行两组测量。使用StatSoft的Statistica 7.1软件进行了统计分析。结果。在每个会话中，发现所有检查的时间和空间参数都是可重复的。仅在髋和膝关节旋转中，未在疗程内确认重复性。在会议之间，在骨盆旋转，膝关节外展/内收以及所有脚运动学参数方面均证实了可重复性。结论。一名研究人员进行步态分析并不能保证在一个疗程内或疗程之间对所有测得的运动学参数都能获得可重复的结果;解释结果时应格外小心。在研究的参数中，髋关节和膝关节旋转是获得可重复结果的最大困难。因此，基于此类数据的诊断和治疗决策需要最大的考虑。

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