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首页> 外文期刊>Journal of athletic training >Validity and Reliability of Limits-of-Stability. Testing: A Comparison of 2 Postural Stability Ewaluation Devices
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Validity and Reliability of Limits-of-Stability. Testing: A Comparison of 2 Postural Stability Ewaluation Devices

机译：稳定性限制的有效性和可靠性。 测试：2个姿势稳定性ewaluation设备的比较

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Context: A lack of published comparisons between measures from commercially available computerized posturography devices and the outcome measures used to define the limits of stability (LOS) makes meaningful interpretation of dynamic postural stability measures difficult. Objectives: To compare postural stability measures between and within devices to establish concurrent and construct validity and to determine test-retest reliability for LOS measures generated by the NeurpCom Smart Balance Master and the Biodex Balance System. Design: Cross-sectional study. Setting: Controlled research laboratory. Patients or Other Participants: A total of 23 healthy participants with no vestibular or visual disabilities or lower limb impairments. lntervention(s): The LOS were assessed during 2 laboratory test sessions 1 week apart. Main Outcome Measure(s): Three NeuroCom LOS variables (directional control, endpoint excursion, and movement velocity) and 2 Biodex LOS variables (directional control, test duration). Results: Test-retest reliability ranged from high to low across the 5 LOS measures (intraclass correlation coefficient [2,k] = 0.82 to 0.48). Pearson correlations revealed 4 significant relationships (P<.05) between and within the 2 computerized posturography devices (r=0.42 to -0.65). Conclusions: Based on the wide range of intraclass correlation values we observed for the NeuroCom measures, clinicians and researchers alike should establish the reliability of LOS testing for their own clinics and laboratories. The low to moderate reliability outcomes observed for the Biodex measures were not of sufficient magnitude for us to recommend using the LOS measures from this system as the gold standard. The moderate Pearson interclass correlations we observed suggest that the Biodex and NeuroCom postural stability systems provided unique information. In this study of healthy participants, the concurrent and construct validity of the Biodex and NeuroCom LOS tests were not defin...
机译：背景信息：从商业上可获得的计算机化后预绘制装置和用于定义稳定性限制（LOS）的结果措施之间缺乏公布的比较，使得对动态姿势稳定措施的有意义解释困难。目标：将设备之间和在设备之间的姿势稳定性措施进行比较，建立并发和构建有效性，并确定Neurpcom智能余额主站和生物交易平衡系统生成的LOS措施的测试保留可靠性。设计：横截面研究。环境：受控研究实验室。患者或其他参与者：共有23名健康参与者，没有前庭或视觉障碍或肢体损伤。 lntervention（s）：洛杉矶分开的2个实验室测试会议期间评估。主要结果测量：三个神经科洛杉矶变量（方向控制，终点偏移和移动速度）和2个BioDex LOS变量（方向控制，测试持续时间）。结果：测试 - 重度可靠性范围从5 LOS措施（内部相关系数[2，K] = 0.82至0.48）到低电平到低电平。 Pearson相关性揭示了2个计算机化后术装置（r = 0.42至-0.65）之间的4个重要的关系（P <.05）。结论：基于我们观察到神经关注的各种腹部相关值，临床医生和研究人员应该为自己的诊所和实验室制定LOS测试的可靠性。对于BIODEX措施观察到的低于中等的可靠性结果对我们来说，建议使用从该系统的LOS措施作为黄金标准。我们观察到的中等Pearson嵌入相关性认为，Biodex和神经科姿势稳定性系统提供了独特的信息。在这项健康参与者的研究中，Biodex和神经科学洛斯测试的并行和构建有效性并不是唯一......

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