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首页> 外文期刊>BMC Musculoskeletal Disorders >Validity and reliability of smartphone applications for measurement of hip rotation, compared with three‐dimensional motion analysis
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Validity and reliability of smartphone applications for measurement of hip rotation, compared with three‐dimensional motion analysis

机译：与三维运动分析相比，智能手机应用智能手机应用的有效性和可靠性

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Measurement of hip rotation is a crucial clinical parameter for the identification of hip problems and the monitoring of symptoms. The objective of this study was to determine whether the use of two smartphone applications is valid and reliable for the measurement of hip rotation. An experimental, cross-sectional study was undertaken to assess passive hip internal and external rotation in three positions by two examiners. The hip rotational angles were measured by a smartphone clinometer application in the sitting and prone positions, and by a smartphone compass application in the supine position; their results were compared with those of the standard, three-dimensional, motion analysis system. The validities and inter-rater and intra-rater reliabilities of the smartphone applications were evaluated. The study involved 24 participants. The validities were good to excellent for the internal rotation angles in all positions (ICC 0.81–0.94), good for the external rotation angles in the prone position (ICC 0.79), and fair for the sitting and supine positions (ICC 0.70–0.73). The measurement of the hip internal rotation in the supine position had the highest ICC value of 0.94 (0.91, 0.96). The two smartphone applications showed good-to-excellent intra-rater reliability, but good-to-excellent inter-rater reliability for only three of the six positions (two other positions had fair reliability, while one position demonstrated poor reliability). The two smartphone applications have good-to-excellent validity and intra-rater reliability, but only fair-to-good inter-rater reliability for the measurement of the hip rotational angle. The most valid hip rotational position in this study was the supine IR angle measurement, while the lowest validity was the ER angle measurement in the sitting position. The smartphone application is one of the practical measurements in hip rotational angles. Number 20181022003 at the Thai Clinical Trials Registry ( http://www.clinicaltrials.in.th ) which was retrospectively registered at 2018-10-18 15:30:29.
机译：髋关节旋转的测量是用于鉴定髋关节问题和对症状监测的重要临床参数。本研究的目的是确定使用两个智能手机应用是否有效可靠地测量髋髋旋转。采用实验性横截面研究，以评估两次检查员的三个职位的被动臀部和外部旋转。髋关节旋转角度通过坐姿和俯卧位的智能手机阈值，并通过仰卧位的智能手机罗盘应用来测量;将其结果与标准，三维运动分析系统的结果进行比较。评估了智能手机申请的有效性和帧内间可靠性。这项研究涉及24名参与者。所有位置（ICC 0.81-0.94）内部旋转角度的效果很好，适用于俯卧位（ICC 0.79）中的外部旋转角度，坐姿和仰卧位（ICC 0.70-0.73） 。在仰卧位的臀部内部旋转的测量具有0.94（0.91,0.96）的最高ICC值。这两个智能手机应用表现出良好的内部内部内部可靠性，但只有三个位置中只有三个的速度差距可靠性（其他两个职位具有公平可靠性，而一个职位表现出可靠差的可靠性）。这两个智能手机应用具有良好的有效性和帧内帧内可靠性，但仅对髋关节旋转角度测量的公允互补性可靠性。本研究中最有效的髋关节旋转位置是仰卧IR角度测量，而最低有效性是坐姿中的ER角度测量。智能手机应用是HIP旋转角度的实际测量之一。 20181022003泰国临床试验登记处（http://www.clinicaltrials.in.th），它在2018-10-18 15:30:29期间回顾性地注册。

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