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首页> 外文期刊>Journal of Biomechanics >Effect of foot orthotics on rearfoot and tibia joint coupling patterns and variability
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Effect of foot orthotics on rearfoot and tibia joint coupling patterns and variability

机译：足部矫形器对后足和胫骨关节耦合方式和变异性的影响

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The purpose of this study was to compare joint coupling patterns and variability of the rearfoot and tibia during running in subjects who were treated with two types of orthotic devices to that of controls. Eleven subjects with various lower extremity injuries were treated unsuccessfully with a standard orthotic, and then successfully with an inverted orthotic. Three-dimensional kinematic data were collected while subjects ran without orthoses and then in standard and inverted orthoses. Eleven healthy subjects ran without orthoses for comparison. The rearfoot inversion/eversion and tibial internal/external rotation joint coupling pattern and variability relationship was assessed using a vector coding technique. It was hypothesized that when the treated runners ran without orthotic devices, they would exhibit lower joint coupling angles and lower joint coupling variability compared to the controls. In addition, it was hypothesized that there would be no difference in the coupling angle or coupling variability between the standard and no orthotic conditions of the treated runners. Finally, it was hypothesized that coupling angle would decrease and variability would increase in the inverted versus the standard and non-orthotic conditions. No significant differences in joint coupling pattern or variability were observed between the treated and control subjects. In addition, no significant differences were noted between the orthotic conditions in the treated group. These results suggest that foot orthotic devices do not produce significant changes in rearfoot-tibial coupling. Therefore, the relief experienced with the inverted orthotic is likely due to factors other than alterations in this coupling. (C) 2004 Elsevier Ltd. All rights reserved.
机译：本研究的目的是比较接受两种矫形器治疗的受试者与对照组相比，跑步过程中后足和胫骨的关节耦合模式和变异性。用标准矫形器对11名下肢各种损伤的受试者进行了不成功的治疗，然后进行了反向矫形器的成功治疗。受试者在没有矫正器的情况下奔跑，然后在标准矫正器和反向矫正器中收集了三维运动学数据。 11名健康受试者没有矫形器进行比较。使用矢量编码技术评估后足内翻/外翻以及胫骨内/外旋转关节的耦合方式和变异性关系。假设当治疗的跑步者在没有矫正装置的情况下跑步时，与对照组相比，他们将表现出较低的关节联接角度和较低的关节联接变异性。另外，假设被治疗的跑步者的标准和无矫正条件之间的耦合角度或耦合变异性没有差异。最后，假设与标准和非矫正条件相比，倒置时耦合角会减小，可变性会增加。在治疗和对照受试者之间未观察到关节耦合模式或变异性的显着差异。另外，在治疗组中，矫正条件之间没有显着差异。这些结果表明，足部矫形器不会在后足胫骨耦合中产生明显变化。因此，反向矫形器所经历的缓解很可能是由于这种耦合改变以外的因素引起的。 （C）2004 Elsevier Ltd.保留所有权利。

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