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首页> 外文期刊>Clinical biomechanics >Gesture standardization increases the reproducibility of 3D kinematic measurements of the knee joint.
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Gesture standardization increases the reproducibility of 3D kinematic measurements of the knee joint.

机译：手势标准化可提高膝关节3D运动学测量的可重复性。

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摘要

BACKGROUND: The literature on the 3D kinematics of the knee suggests that the gesture accomplished during kinematic assessment might play a significant role in the values measured. The purpose of this study is to demonstrate that a standardized gesture leads to an increased reproducibility in 3D kinematic measurements of the knee. METHODS: Seventeen healthy male subjects performed series of knee-bends in standardized and unconstrained conditions while their left knee's 3D kinematics were recorded using an optical motion-recording system. Standardized knee-bends were performed in a specially designed structure stabilizing the shoulders, pelvis and feet. Coefficient of multiple correlation were calculated for the ascent and the descent phases of the knee-bends for the tibial rotation and abduction/adduction components of the knee movement. FINDINGS: Comparisons between coefficient of multiple correlation of the different gesture conditions showed a statistically significant increase in reproducibility for the tibial rotation during the standardized knee-bends. INTERPRETATION: It appears that gesture standardization is an interesting option to consider for precise kinematic assessment of the living human knee.
机译：背景：关于膝关节3D运动学的文献表明，运动学评估过程中完成的手势可能在测量值中起重要作用。这项研究的目的是证明标准化的手势可以提高膝盖3D运动学测量的可重复性。方法：17名健康的男性受试者在标准且不受限制的条件下进行了一系列的膝盖弯曲，同时使用光学运动记录系统记录了他们的左膝盖的3D运动学。在特殊设计的结构中执行标准的膝盖弯曲，以稳定肩膀，骨盆和脚。对于胫骨旋转和膝关节运动的外展/内收分量，计算了膝盖弯曲的上升和下降阶段的多重相关系数。结果：在不同的手势条件下，多重相关系数之间的比较表明，在标准的膝盖弯曲过程中，胫骨旋转的可重复性具有统计学上的显着提高。解释：手势标准化似乎是一个有趣的选择，可以考虑对人的活膝进行精确的运动学评估。

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