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首页> 外文期刊>Physiotherapy theory and practice >Concurrent validity and reliability of two-dimensional video analysis of hip and knee joint motion during mechanical lifting.
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Concurrent validity and reliability of two-dimensional video analysis of hip and knee joint motion during mechanical lifting.

机译：机械提升过程中髋和膝关节运动的二维视频分析的并发有效性和可靠性。

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摘要

Movement patterns used during mechanical lifting are usually assessed subjectively by clinicians as a stoop or squat based on visual estimation of joint motion and position. Two-dimensional (2D) video analysis has the potential to objectively measure joint motion during a mechanical lifting task. This study investigated concurrent validity, intrarater, interrater, and test-retest reliability of 2D video analysis using Dartfish software for the measurement of sagittal plane angles at the hip and knee during mechanical lifting. Fifteen healthy female participants (mean age 27.1 +/- 7.1 years) were recruited to perform mechanical lifting on 2 separate test days. Concurrent validity was determined by comparing 2D derived hip and knee flexion angles to goniometric measures. Intrarater and interrater reliability of the 2D kinematic procedures was determined by using examiners with varying experience in the use of Dartfish software. Between-day test-retest reliability of hip and knee 2D kinematics during mechanical lifting was assessed. Concurrent validity of 2D angle analysis using Dartfish software was supported by high correlations (Pearson r >/= 0.95) and nonsignificant differences between 2D and goniometric measures of sagittal plane hip and knee motion. Both intrarater and interrater reliability values of hip and knee flexion angles were excellent (ICC >/= 0.91). ICCs for test-retest reliability were 0.79 and 0.91 for hip and knee flexion, respectively. These findings and the ease of data capture using this system provide support for the clinical utility of 2D video analysis to provide objective measures of movement patterns at the hip and knee during a dynamic functional task.
机译：机械举升过程中使用的运动方式通常由临床医生根据对关节运动和位置的视觉估计，以弯腰或下蹲的方式主观评估。二维（2D）视频分析具有在机械举升任务期间客观地测量关节运动的潜力。这项研究调查了使用Dartfish软件在机械提升过程中测量髋部和膝部矢状平面角的2D视频分析的并发有效性，评估者内，间位​​和重测可靠性。招募了15名健康女性参与者（平均年龄27.1 +/- 7.1岁）在2个独立的测试日进行机械提升。并发有效性是通过比较二维派生的髋部和膝部屈曲角度与测角法确定的。通过使用在Dartfish软件的使用方面具有不同经验的检查员来确定2D运动过程的Intrarater和interter可靠性。评估了机械提升过程中臀部和膝盖2D运动学的日间重测可靠性。高相关性（Pearson r> / = 0.95）以及矢状面髋关节和膝关节运动的二维和角度测量之间的无显着差异支持了使用Dartfish软件进行2D角度分析的并发有效性。髋部和膝盖屈曲角度的评估者内和间位可靠度值均极佳（ICC> / = 0.91）。重测信度的ICC对于髋部和膝盖弯曲分别为0.79和0.91。这些发现以及使用该系统进行数据捕获的便捷性为2D视频分析的临床实用性提供了支持，以提供动态功能任务期间髋部和膝部运动模式的客观测量。

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