新型脊柱姿势监测仪的验证：与数字透视摄像的比较。
Validation of a novel spinal posture monitor: comparison with digital videofluoroscopy.
机构信息
Physiotherapy Department, University of Limerick, Limerick, Ireland.
出版信息
Eur Spine J. 2012 Dec;21(12):2633-9. doi: 10.1007/s00586-012-2440-7. Epub 2012 Jul 27.
PURPOSE
A novel, minimally invasive posture monitor which can monitor lumbar postures outside the laboratory has demonstrated excellent reliability, as well as concurrent validity compared to a surface marker-based motion analysis system. However, it is unclear if this device reflects underlying vertebral motion.
METHODS
Twelve participants performed full range sagittal plane lumbo-pelvic movements during sitting and standing. Their posture was measured simultaneously using both this device (BodyGuard™) and digital videofluoroscopy.
RESULTS
Strong correlations were observed between the two methods (all r (s) > 0.88). Similarly, the coefficients of determination were high (all r (2) > 0.78). The maximum mean difference between the measures was located in the mid-range of motion and was approximately 3.4° in sitting and 3.9° in standing.
CONCLUSION
The BodyGuard™ appears to be a valid method for analysing vertebral motion in the sagittal plane and is a promising tool for long-term monitoring of spinal postures in laboratory and clinical settings in people with low back pain.
目的
一种新型的微创姿势监测器，可在实验室外监测腰椎姿势，与基于表面标记的运动分析系统相比，具有出色的可靠性和同时效度。然而，目前尚不清楚该设备是否反映了潜在的椎体运动。
方法
12 名参与者在坐姿和站立位时进行了全范围矢状面腰骨盆运动。使用该设备（BodyGuard™）和数字透视荧光检查同时测量他们的姿势。
结果
两种方法之间观察到很强的相关性（所有 r（s）>0.88）。同样，确定系数也很高（所有 r（2）>0.78）。在运动的中间范围内，测量值之间的最大平均差异约为 3.4°，在坐姿中为 3.9°，在站立位中为 3.9°。
结论
BodyGuard™ 似乎是一种分析矢状面椎体运动的有效方法，是一种有前途的工具，可在实验室和临床环境中对腰痛患者的脊柱姿势进行长期监测。
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