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首页> 外文期刊>Gait & posture >Test-retest reliabty of center of pressure measures of postural stability during quiet standing in a group with musculoskeletal disorders consisting of low back pain, anterior cruciate ligament injury and functional ankle instability.
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Test-retest reliabty of center of pressure measures of postural stability during quiet standing in a group with musculoskeletal disorders consisting of low back pain, anterior cruciate ligament injury and functional ankle instability.

机译：压力肌肉的测试中心重测可靠性，以静坐时姿势稳定性为一组肌肉骨骼疾病，包括腰痛，前交叉韧带损伤和功能性踝关节不稳。

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摘要

Reliability is a population-specific property, but to the authors' knowledge there has been no study to determine the test-retest reliability of the postural stability measures such as center of pressure (COP) measures in the population of patients with musculoskeletal disorders (MSDs), while their clinical applications have been presented in literature. So, 33 patients with low back pain (LBP), anterior cruciate ligament (ACL) injury and functional ankle instability (FAI) randomly completed postural measurements with three levels of difficulty (rigid surface-eyes open, rigid surface-eyes closed, and foam surface-eyes closed) in two sessions. COP data were used to calculate standard deviation of amplitude, standard deviation of velocity, phase plane portrait, mean total velocity and area (95% confidence ellipse). Relative reliability of these measures was assessed using intraclass correlation coefficient (ICC) and absolute reliability using standard error of measurement (SEM) and coefficient of variation (CV). Also, minimal metrically detectable change (MMDC) was calculated to quantify intervention effects. Among different COP parameters, mean total velocity in all conditions of postural difficulty showed high to very high reliability, with ICC range of 0.74-0.91, SEM range of 0.09-0.40cm/s, CV range of 5.31-8.29% and MMDC range of 0.19-0.79cm/s. Phase plane portrait in anteroposterior-mediolateral (AP-ML) and ML direction were other best parameters with respect to the level of reliability. Mean total velocity and phase plane portrait parameters are suggested as good candidates to use for quantification and assessment of balance performance and identifying those with MSDs.
机译：可靠性是特定于人群的属性，但是据作者所知，尚无研究确定姿势稳定性测量方法（如压力中心（COP））在肌肉骨骼疾病（MSD）人群中的重测可靠性），而其临床应用已在文献中提出。因此，有33位下腰痛（LBP），前十字韧带（ACL）损伤和功能性踝关节不稳（FAI）的患者随机完成了姿势测量，具有三个难度级别（坚硬的表面眼睛张开，坚硬的表面眼睛闭合和泡沫）在两个阶段中闭上眼睛）。 COP数据用于计算振幅的标准偏差，速度的标准偏差，相平面肖像，平均总速度和面积（95％置信椭圆）。使用类内相关系数（ICC）评估这些措施的相对可靠性，并使用标准测量误差（SEM）和变异系数（CV）评估绝对可靠性。此外，计算了最小的度量可检测变化（MMDC）以量化干预效果。在不同的COP参数之间，所有姿势困难条件下的平均总速度均显示出非常高的可靠性，ICC范围为0.74-0.91，SEM范围为0.09-0.40cm / s，CV范围为5.31-8.29％，MMDC范围为0.19-0.79cm / s。就可靠性水平而言，前后内侧（AP-ML）和ML方向的相平面肖像是其他最佳参数。建议使用平均总速度和相平面肖像参数作为量化和评估平衡性能以及识别具有MSD的参数的良好候选者。

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