萨利巴姿势分类系统的可靠性和有效性。
The reliability and validity of the Saliba Postural Classification System.
作者信息
Collins Cristiana Kahl, Johnson Vicky Saliba, Godwin Ellen M, Pappas Evangelos
机构信息
Physical Therapy Department, Long Island University, 1 University Plaza, Brooklyn 11201, NY, USA.
Institute of Physical Art, 43449 Elk Run, Steamboat Springs 80487, CO, USA.
出版信息
J Man Manip Ther. 2016 Jul;24(3):174-81. doi: 10.1080/10669817.2016.1138599.
OBJECTIVES
To determine the reliability and validity of the Saliba Postural Classification System (SPCS).
METHODS
Two physical therapists classified pictures of 100 volunteer participants standing in their habitual posture for inter and intra-tester reliability. For validity, 54 participants stood on a force plate in a habitual and a corrected posture, while a vertical force was applied through the shoulders until the clinician felt a postural give. Data were extracted at the time the give was felt and at a time in the corrected posture that matched the peak vertical ground reaction force (VGRF) in the habitual posture.
RESULTS
Inter-tester reliability demonstrated 75% agreement with a Kappa = 0.64 (95% CI = 0.524-0.756, SE = 0.059). Intra-tester reliability demonstrated 87% agreement with a Kappa = 0.8, (95% CI = 0.702-0.898, SE = 0.05) and 80% agreement with a Kappa = 0.706, (95% CI = 0.594-0818, SE = 0.057). The examiner applied a significantly higher (p < 0.001) peak vertical force in the corrected posture prior to a postural give when compared to the habitual posture. Within the corrected posture, the %VGRF was higher when the test was ongoing vs. when a postural give was felt (p < 0.001). The %VGRF was not different between the two postures when comparing the peaks (p = 0.214).
DISCUSSION
The SPCS has substantial agreement for inter- and intra-tester reliability and is largely a valid postural classification system as determined by the larger vertical forces in the corrected postures. Further studies on the correlation between the SPCS and diagnostic classifications are indicated.
目的
确定萨利巴姿势分类系统（SPCS）的可靠性和有效性。
方法
两名物理治疗师对100名志愿者以习惯姿势站立的图片进行分类，以评估测试者间和测试者内的可靠性。为评估有效性，54名参与者分别以习惯姿势和纠正姿势站在测力板上，同时通过肩部施加垂直力，直到临床医生感觉到姿势改变。在感觉到姿势改变时以及在纠正姿势下与习惯姿势下的垂直地面反作用力峰值（VGRF）相匹配的时刻提取数据。
结果
测试者间可靠性显示一致性为75%，Kappa值 = 0.64（95%置信区间 = 0.524 - 0.756，标准误 = 0.059）。测试者内可靠性显示一致性为87%，Kappa值 = 0.8（95%置信区间 = 0.702 - 0.898，标准误 = 0.05），以及一致性为80%，Kappa值 = 0.706（95%置信区间 = 0.594 - 0.818，标准误 = 0.057）。与习惯姿势相比，检查者在纠正姿势下感觉到姿势改变之前施加的垂直力峰值显著更高（p < 0.001）。在纠正姿势内，测试进行时的VGRF百分比高于感觉到姿势改变时（p < 0.001）。比较两个姿势的峰值时，VGRF百分比没有差异（p = 0.214）。
讨论
SPCS在测试者间和测试者内可靠性方面有较高的一致性，并且根据纠正姿势下更大的垂直力确定，它在很大程度上是一个有效的姿势分类系统。表明需要进一步研究SPCS与诊断分类之间的相关性。
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