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首页> 外文期刊>Journal of Rehabilitation Research and Development >Postural stability index is a more valid measure of stability than equilibrium score
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Postural stability index is a more valid measure of stability than equilibrium score

机译：姿势稳定性指数比平衡分数更有效地衡量稳定性

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Researchers, therapists, and physicians often use equilibrium score (ES) from the Sensory Organization Test, a key test in the NeuroCom EquiTest System (a dynamic posturography system) to assess stability. ES reflects the overall coordination of the visual, proprioceptive, and vestibular systems for maintaining standing posture. In our earlier article, we proposed a new measure of anteriorposterior (AP) postural stability called the Postural Stability Index (PSI), which accounts for more biomechanical aspects than ES. This article showed that PSI provides a clinically important adjunct to ES. In the present article, we show that PSI can provide an acceptable index even if a person falls during the trial, whereas ES assigns a zero score for any fall. We also show that PSI decreases as ankle stiffness increases, which is intuitive, while ES exhibits the opposite behavior. Ankle stiffness is generally recognized as an indicator of postural stability. These results suggest that PSI is a more valid measure of AP stability than ES.
机译：研究人员，治疗师和医生经常使用感觉组织测试（NeuroCom EquiTest系统（动态姿势成像系统）中的关键测试）中的平衡评分（ES）来评估稳定性。 ES反映了视觉，本体感受和前庭系统的整体协调性，以维持站立姿势。在我们之前的文章中，我们提出了一种新的前后姿势（AP）姿势稳定性测量方法，称为姿势稳定性指数（PSI），它比ES解释了更多的生物力学方面。本文表明，PSI为ES提供了重要的临床辅助手段。在本文中，我们证明即使在试验过程中有人摔倒，PSI仍可提供可接受的指数，而ES则为每次跌倒都指定零分。我们还表明，PSI随着踝部僵硬度的增加而降低，这很直观，而ES表现出相反的行为。踝部僵硬通常被认为是姿势稳定性的指标。这些结果表明，PSI比AP更有效地衡量了AP的稳定性。

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