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首页> 外文期刊>BMC Musculoskeletal Disorders >Clinically acceptable agreement between the ViMove wireless motion sensor system and the Vicon motion capture system when measuring lumbar region inclination motion in the sagittal and coronal planes
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Clinically acceptable agreement between the ViMove wireless motion sensor system and the Vicon motion capture system when measuring lumbar region inclination motion in the sagittal and coronal planes

机译：在测量矢状和冠状平面中的腰椎区域倾斜运动时，ViMove无线运动传感器系统与Vicon运动捕获系统之间的临床可接受协议

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Background Wireless, wearable, inertial motion sensor technology introduces new possibilities for monitoring spinal motion and pain in people during their daily activities of work, rest and play. There are many types of these wireless devices currently available but the precision in measurement and the magnitude of measurement error from such devices is often unknown. This study investigated the concurrent validity of one inertial motion sensor system (ViMove) for its ability to measure lumbar inclination motion, compared with the Vicon motion capture system. Methods To mimic the variability of movement patterns in a clinical population, a sample of 34 people were included – 18 with low back pain and 16 without low back pain. ViMove sensors were attached to each participant’s skin at spinal levels T12 and S2, and Vicon surface markers were attached to the ViMove sensors. Three repetitions of end-range flexion inclination, extension inclination and lateral flexion inclination to both sides while standing were measured by both systems concurrently with short rest periods in between. Measurement agreement through the whole movement range was analysed using a multilevel mixed-effects regression model to calculate the root mean squared errors and the limits of agreement were calculated using the Bland Altman method. Results We calculated root mean squared errors (standard deviation) of 1.82° (±1.00°) in flexion inclination, 0.71° (±0.34°) in extension inclination, 0.77° (±0.24°) in right lateral flexion inclination and 0.98° (±0.69°) in left lateral flexion inclination. 95% limits of agreement ranged between -3.86° and 4.69° in flexion inclination, -2.15° and 1.91° in extension inclination, -2.37° and 2.05° in right lateral flexion inclination and -3.11° and 2.96° in left lateral flexion inclination. Conclusions We found a clinically acceptable level of agreement between these two methods for measuring standing lumbar inclination motion in these two cardinal movement planes. Further research should investigate the ViMove system’s ability to measure lumbar motion in more complex 3D functional movements and to measure changes of movement patterns related to treatment effects.
机译：背景技术无线，可穿戴的惯性运动传感器技术为监视人们在日常工作，休息和娱乐活动中的脊柱运动和疼痛提供了新的可能性。这些无线设备目前有很多种类型，但是这些设备的测量精度和测量误差的大小通常是未知的。这项研究调查了一个惯性运动传感器系统（ViMove）与Vicon运动捕捉系统相比，其测量腰部倾斜运动的能力的同时有效性。方法为了模拟临床人群中运动方式的变异性，纳入了34位患者的样本，其中18位为下背痛，而16位没有下背痛。 ViMove传感器以T12和S2的水平贴在每个参与者的皮肤上，而Vicon表面标记贴在ViMove传感器上。两个系统同时测量了末端站立时两侧屈曲范围，伸展度和横向屈曲度的三个重复，同时在两者之间有短暂的休息时间。使用多级混合效应回归模型分析整个运动范围内的测量一致性，以计算均方根误差，并使用Bland Altman方法计算一致性极限。结果我们计算出的弯曲度的均方根误差（标准偏差）为1.82°（±1.00°），延伸倾斜度为0.71°（±0.34°），右侧弯曲度为0.77°（±0.24°）和0.98°（左外侧弯曲倾斜度为±0.69°）。 95％的一致极限范围在屈曲倾斜度-3.86°和4.69°之间，在延伸曲率倾斜-2.15°和1.91°之间，在右侧屈曲倾斜度-2.37°和2.05°之间以及在左侧屈曲倾斜度-3.11°和2.96°之间。结论我们发现这两种方法在这两个主要运动平面中测量站立腰部倾斜运动之间的临床可接受水平的一致性。进一步的研究应该调查ViMove系统在更复杂的3D功能运动中测量腰部运动以及测量与治疗效果相关的运动模式变化的能力。

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