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- W2948892242 abstract "Low back pain is one of the most common diseases in industrial society with a major impact on quality of life. It is suggested that approximately 40% of chronic low back pain (CLBP) is disc related in form of internal disc disruptions. Dehydration of the disc leads to stress concentrations in the disc itself and apophyseal joints. Upright-MRI is likely to become the ‘gold-standard’-measurement for determination of IVD heights, its practical usability will remain limited because of its high cost and its low availability. The aim of this study is to investigate the accuracy and reliability of the measurement of the height of the spine with the 3D-Bodyscanner. Therefore, the reliability of different measurement settings (S) had to be investigated. S1: At first it was investigated, if the length of the spine can be measured reliable with the 3D-Bodyscanner when the same person is measured twice without moving between the measurements. The reliability and the first tester influenced bias is estimated. S2: The same person was measured after the person moved from the chair in between both measurements. S3: The participants were measured twice and the markers were renewed between both measurements. Furthermore, the standard error of measurement (SEm) was estimated to compare the accuracy of this measurement with expectable changes in spinal height in daily live and different research tasks . 14 healthy men and 14 healthy women participated in this study. The following pearson correlation coefficients (r) and SEms resulted from the different measurement settings: S1: The measurement of the spinal length in humans that did not move in between the two measurements correlated with r=0.99. This resulted in a SEm of 3.5mm. S2: The measurement of the spinal length in humans that moved in between the measurements but kept the same markers on their spine correlated with r=0.98. This resulted in a SEm of 4.1mm. S3: The measurement of the spinal length in humans that moved in between the measurements and got new markers applied on their spine correlated with r=0.95. This resulted in a SEm of 7.1mm. The measurement of the spinal height with the VITRONIC 3D-Bodyscanner appears to be highly reliable, especially if the markers do not have to be renewed for the retest (S1 and S2). The accuracy of this measurement method seems to be high enough to measure the exercise- or traction induced height changes in the spine. In the case of measuring the height change that is induced by 10 minutes of different types of positioning, the change is maybe to small to be detected. Even if the markers have to be renewed, the accuracy is still discussable to measure diurnal height changes. In conclusion, the 3D-Bodayscanner appears to be a more cost-effective alternative for the measurement of specific segments of the spine than MRI and a practicable alternative for science in the field of de- and rehydration." @default.
- W2948892242 created "2019-06-14" @default.
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- W2948892242 date "2018-01-01" @default.
- W2948892242 modified "2023-09-23" @default.
- W2948892242 title "Measurement of the hydration-status of the lumbar discs. Reliability of the measurement of the spinal height with the VITRONIC 3D-Bodyscanner" @default.
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