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Forward functional stability indicator (FFSI) as a reliable measure of limits of stability

机译：前向功能稳定性指标（FFSI）作为稳定性极限的可靠度量

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Functional stability has been studied in diverse populations, yet the possibility to compare the results across them and the knowledge about actual performance referenced to the maximum capacity is limited. Our aim was to improve the functional limits of stability testing and introduced Forward Functional Stability Indicator (FFSI) as a reliable measure of functional stability. The study participants were not able to cross the projected forward anatomical stability limit (FASL). It is located at the level of first metatarsophalangeal joints and should be considered a mechanical limit of the maximal voluntary centre of foot pressure (COP) excursion (MVE). It was only true when the whole feet were in contact with the ground. There were statistically significant differences in limits of stability (LOS) test results in the conditions when the heels were raised and the toes muscles were contracted isometrically. The proposed forward functional stability indicator (FFSI) is a highly reliable measure of functional stability, which provides information about the actual performance with reference to maximum capacity and is easy to compare across normal and clinical populations.
机译：已经在不同的人群中研究了功能稳定性，但是将结果与他们进行比较的可能性以及有关最大容量的实际性能知识受到限制。我们的目标是改善稳定性测试的功能极限，并引入前向功能稳定性指标（FFSI）作为功能稳定性的可靠度量。研究参与者无法越过预计的向前解剖稳定性极限（FASL）。它位于第一meta趾关节的水平，应被视为最大自愿足底压力（COP）偏移（MVE）的机械极限。只有当整个脚都与地面接触时，这才是正确的。在脚跟抬起且脚趾肌肉等距收缩的情况下，稳定性极限（LOS）测试结果存在统计学差异。拟议的前向功能稳定性指标（FFSI）是功能稳定性的高度可靠的度量，可提供有关最大容量的实际性能信息，并且易于在正常人群和临床人群之间进行比较。

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